The 1986 Jaguar XJ6 is a quintessential example of British luxury, part of the Series III generation (1979-1992). This elegant four-door full-size luxury sedan, styled by Pininfarina, featured classic lines that have remained timeless. Key trims included the standard XJ6 and the more opulent Vanden Plas. New pricing for 1986 typically ranged from around $35,000 to over $40,000. It stood out for its superb ride comfort, rich wood and leather interior, and unmistakable aristocratic charm, making it popular among those seeking refined motoring.
The Good
The 1986 Jaguar XJ6 boasts a timeless, elegant Pininfarina design that captivates emotional buyers, offering unmatched classic British styling. Its supreme ride comfort and plush interior, filled with leather and wood, appeal to both the desire for luxury and practical needs for a comfortable journey. The smooth inline-six engine provides refined, adequate performance. As a used car, it offers exceptional value, presenting a high level of luxury at an accessible price point for practical enthusiasts.
The Bad
The 1986 Jaguar XJ6 is known for several weaknesses that require careful attention. Its complex electrical systems are notoriously temperamental, leading to various frustrating malfunctions. Rust is a significant concern, often affecting sills, wheel arches, and subframes. Maintenance can be expensive, with specialized parts and labor adding to ownership costs. Keep an eye out for oil leaks, cooling system issues, and potential head gasket problems from the venerable inline-six engine.
1986 Jaguar XJ6: Quick Overview
Here is a summary of key specifications for the 1986 Jaguar XJ6:
- Engine Options: The primary engine for the 1986 North American XJ6 was Jaguar's venerable 4.2-liter (4235cc) DOHC inline-six cylinder 'XK' engine. Some markets outside North America might have seen a smaller 3.4-liter version, but the 4.2L was standard for the U.S.
- Horsepower: For the 4.2L engine, horsepower typically ranged around 176 hp (DIN) for North American models. This provided smooth, if not blistering, performance suitable for a luxury cruiser.
- Fuel Economy: Given its displacement and the technology of the era, the fuel economy was not a strong suit. Owners could expect combined figures in the range of 14-17 miles per gallon (MPG), varying significantly based on driving conditions and maintenance.
- 0-60 MPH Times: Acceleration from 0 to 60 mph was generally in the 10-12 second range, placing it firmly in the luxury touring category rather than a sports sedan.
- Towing Capacity: The 1986 Jaguar XJ6 was not designed or typically rated for significant towing. While a small utility trailer might be possible with an aftermarket hitch (perhaps 1000-2000 lbs), it's generally not recommended and not a feature Jaguar emphasized.
- Trim-Level Features:
- XJ6 (Standard/Base): Featured luxurious appointments including Connolly leather upholstery, extensive burled walnut wood trim on the dashboard and door cappings, automatic climate control, power windows, power steering, central locking, and an AM/FM stereo cassette player. Alloy wheels were standard.
- Vanden Plas: Represented the pinnacle of luxury for the XJ6. This trim added even higher grades of leather, often with contrasting piping, deeper pile wool carpeting, and unique interior enhancements like rear-seat picnic tables integrated into the front seatbacks. Exterior chrome trim was often more extensive, and interior amenities included more sophisticated power-adjustable seats and sometimes an upgraded sound system. The Vanden Plas offered an even more opulent and exclusive driving experience.
1986 Jaguar XJ6 Specifications
Vehicle Information
| Year | 1986 |
| Make | Jaguar |
| Model | XJ6 |
| Trim | - |
| Style | - |
| Type | Sedan |
| Category | Compact Car |
Manufacturing Details
| Made In | United States |
| Manufacturing City | - |
Dimensions
| Doors | - |
| Curb Weight | - |
| Gross Vehicle Weight Rating | - |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | 5.3 L 12-Cyl. |
| Engine Size | 5.3L |
| Engine Cylinders | 12 |
| Transmission | - |
| Transmission Type | - |
| Transmission Speeds | - |
| Drivetrain | Glider |
Additional Features
| Anti-Brake System | - |
| Steering Type | - |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | - |
| Invoice Price | - |
| Delivery Charges | - |
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What Problems Does the 1986 Jaguar XJ6 Have?
The 1986 Jaguar XJ6, while undeniably elegant, comes with a well-documented list of frequently reported problems and long-term reliability concerns, primarily stemming from its age and inherent design complexities.
The most infamous issue is the electrical system. Often referred to as the "Prince of Darkness" due to the Lucas components, owners frequently experience malfunctioning power windows, central locking, gauges, lights, and climate control systems. Wiring harnesses deteriorate over time, leading to intermittent failures and frustrating diagnostic challenges.
Cooling system reliability is another major concern. These cars are prone to overheating due to aging radiators, water pumps, hoses, and thermostats. Overheating can quickly lead to more severe damage, such as head gasket failure, a costly repair for the 4.2-liter inline-six engine, which is also susceptible to oil leaks from various gaskets and seals.
Corrosion is a significant long-term issue. Rust commonly attacks the sills, wheel arches, floorpans, subframe mounting points, and the boot floor. Thorough pre-purchase inspection for rust is crucial.
Fuel system issues include failing fuel pumps, clogged filters, and brittle, leaky fuel lines, especially the return lines. Problems with the dual fuel tank switchover valve are also common.
The air conditioning system is often weak, prone to leaks, and compressor failures, rarely providing adequate cooling. Converting to modern refrigerants can be done, but performance may still be underwhelming.
Suspension components, particularly bushings, wear out, leading to poor ride quality and handling. The self-leveling rear suspension, if fitted, can also be a source of trouble. Brake calipers can seize, and vacuum boost issues are not uncommon.
While specific recalls unique to the 1986 model year are rare now, these pervasive issues mean that any prospective owner must be prepared for consistent maintenance and the possibility of significant repair costs, requiring a mechanic familiar with vintage Jaguars.
The most infamous issue is the electrical system. Often referred to as the "Prince of Darkness" due to the Lucas components, owners frequently experience malfunctioning power windows, central locking, gauges, lights, and climate control systems. Wiring harnesses deteriorate over time, leading to intermittent failures and frustrating diagnostic challenges.
Cooling system reliability is another major concern. These cars are prone to overheating due to aging radiators, water pumps, hoses, and thermostats. Overheating can quickly lead to more severe damage, such as head gasket failure, a costly repair for the 4.2-liter inline-six engine, which is also susceptible to oil leaks from various gaskets and seals.
Corrosion is a significant long-term issue. Rust commonly attacks the sills, wheel arches, floorpans, subframe mounting points, and the boot floor. Thorough pre-purchase inspection for rust is crucial.
Fuel system issues include failing fuel pumps, clogged filters, and brittle, leaky fuel lines, especially the return lines. Problems with the dual fuel tank switchover valve are also common.
The air conditioning system is often weak, prone to leaks, and compressor failures, rarely providing adequate cooling. Converting to modern refrigerants can be done, but performance may still be underwhelming.
Suspension components, particularly bushings, wear out, leading to poor ride quality and handling. The self-leveling rear suspension, if fitted, can also be a source of trouble. Brake calipers can seize, and vacuum boost issues are not uncommon.
While specific recalls unique to the 1986 model year are rare now, these pervasive issues mean that any prospective owner must be prepared for consistent maintenance and the possibility of significant repair costs, requiring a mechanic familiar with vintage Jaguars.
How long will the 1986 Jaguar XJ6 last?
The 1986 Jaguar XJ6's average mileage and years of service are heavily dependent on diligent maintenance and ownership habits. A well-cared-for example, receiving consistent preventative maintenance, can easily achieve 150,000 to 200,000 miles and remain on the road for 30-40+ years. However, many fall short due to the high cost of repairs or neglect, leading to them being parked or scrapped much earlier.
Long-term durability of the core engine and transmission is generally good, provided the cooling system is impeccable. The major weaknesses over time are primarily with the complex electrical systems, where wiring insulation degrades and connections corrode, leading to numerous intermittent faults. All rubber and plastic components—from hoses and bushings to interior trim—deteriorate with age, requiring replacement. Rust remains a pervasive long-term issue, quietly eating away at structural integrity if not meticulously prevented and repaired. Interior elements like leather and wood veneers also show their age through cracking and delamination, while headliners are notorious for sagging.
Long-term durability of the core engine and transmission is generally good, provided the cooling system is impeccable. The major weaknesses over time are primarily with the complex electrical systems, where wiring insulation degrades and connections corrode, leading to numerous intermittent faults. All rubber and plastic components—from hoses and bushings to interior trim—deteriorate with age, requiring replacement. Rust remains a pervasive long-term issue, quietly eating away at structural integrity if not meticulously prevented and repaired. Interior elements like leather and wood veneers also show their age through cracking and delamination, while headliners are notorious for sagging.
What Technology & Safety Features are Included?
The 1986 Jaguar XJ6, hailing from an era prior to ubiquitous electronic aids, offered a blend of luxury and convenience features rather than advanced 'tech' as we know it today.
Built-in Tech: Standard features included an automatic climate control system, though its reliability is a common complaint. Power windows, power steering, and central locking were standard luxuries. The dashboard featured a comprehensive array of analog gauges and warning lights, providing essential driver information. Cruise control was typically standard on most models, while higher trims like the Vanden Plas might have featured a rudimentary trip computer for fuel consumption and distance.
Entertainment: The factory entertainment system was an AM/FM stereo cassette player, often paired with a power antenna. Higher trim levels or specific market options might have offered slightly upgraded sound systems, but they were basic by contemporary standards.
Driver-Assistance Features: In 1986, 'driver-assistance' was largely limited to power-assisted steering and brakes, which significantly eased the driving effort. Features like anti-lock braking systems (ABS), traction control, or any form of stability control were not present on the XJ6. There were no autonomous driving aids, blind-spot monitoring, or parking sensors.
Safety Features: Passive safety was the primary focus. The vehicle featured three-point seatbelts for the front and outer rear passengers, with a lap belt for the center rear. All-around disc brakes provided good stopping power for the era. The body structure was robust for its time, designed to absorb impact energy. However, modern safety staples such as airbags were not available, nor were advanced structural rigidity standards commonplace.
Optional Features: Common optional features included an electric sunroof, specific alloy wheel designs beyond the standard offerings, and sometimes heated seats, depending on the market. The Vanden Plas trim itself was an upscale package, providing enhanced luxury features rather than additional technology.
Crash-Test Ratings: Standardized, publicly available crash-test ratings from organizations like NCAP or the IIHS, as we know them today, did not exist for vehicles of this vintage. Safety assessments were rudimentary and not released in a comparable format.
Built-in Tech: Standard features included an automatic climate control system, though its reliability is a common complaint. Power windows, power steering, and central locking were standard luxuries. The dashboard featured a comprehensive array of analog gauges and warning lights, providing essential driver information. Cruise control was typically standard on most models, while higher trims like the Vanden Plas might have featured a rudimentary trip computer for fuel consumption and distance.
Entertainment: The factory entertainment system was an AM/FM stereo cassette player, often paired with a power antenna. Higher trim levels or specific market options might have offered slightly upgraded sound systems, but they were basic by contemporary standards.
Driver-Assistance Features: In 1986, 'driver-assistance' was largely limited to power-assisted steering and brakes, which significantly eased the driving effort. Features like anti-lock braking systems (ABS), traction control, or any form of stability control were not present on the XJ6. There were no autonomous driving aids, blind-spot monitoring, or parking sensors.
Safety Features: Passive safety was the primary focus. The vehicle featured three-point seatbelts for the front and outer rear passengers, with a lap belt for the center rear. All-around disc brakes provided good stopping power for the era. The body structure was robust for its time, designed to absorb impact energy. However, modern safety staples such as airbags were not available, nor were advanced structural rigidity standards commonplace.
Optional Features: Common optional features included an electric sunroof, specific alloy wheel designs beyond the standard offerings, and sometimes heated seats, depending on the market. The Vanden Plas trim itself was an upscale package, providing enhanced luxury features rather than additional technology.
Crash-Test Ratings: Standardized, publicly available crash-test ratings from organizations like NCAP or the IIHS, as we know them today, did not exist for vehicles of this vintage. Safety assessments were rudimentary and not released in a comparable format.
What Colors Options are Available?
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In the meantime, feel free to explore the other sections for more content.
In the meantime, feel free to explore the other sections for more content.
1986 Jaguar XJ6 Prices and Market Value
When new in 1986, the Jaguar XJ6 carried a premium price tag, with models typically ranging from approximately $35,000 for the standard XJ6 to well over $40,000 for the luxurious Vanden Plas trim. This positioned it firmly in the high-end luxury sedan market of its time.
Today, the used market prices for the 1986 Jaguar XJ6 reflect a massive depreciation over decades, but also a growing appreciation for well-preserved examples. Projects or vehicles in poor condition can be found for as little as $1,000-$3,000. "Driver quality" examples, needing some work but generally functional, typically range from $5,000-$10,000. Exceptional, low-mileage, or concours-condition cars, especially Vanden Plas models, can fetch upwards of $15,000-$25,000, with rare pristine examples sometimes exceeding this.
Factors significantly affecting resale value include the vehicle's overall condition, particularly the absence of rust, the functionality of all electrical systems, and the state of the interior. A comprehensive maintenance history, originality, and desirable trim levels like the Vanden Plas also command higher prices. Conversely, neglected examples with significant electrical faults or body corrosion see very low values.
Today, the used market prices for the 1986 Jaguar XJ6 reflect a massive depreciation over decades, but also a growing appreciation for well-preserved examples. Projects or vehicles in poor condition can be found for as little as $1,000-$3,000. "Driver quality" examples, needing some work but generally functional, typically range from $5,000-$10,000. Exceptional, low-mileage, or concours-condition cars, especially Vanden Plas models, can fetch upwards of $15,000-$25,000, with rare pristine examples sometimes exceeding this.
Factors significantly affecting resale value include the vehicle's overall condition, particularly the absence of rust, the functionality of all electrical systems, and the state of the interior. A comprehensive maintenance history, originality, and desirable trim levels like the Vanden Plas also command higher prices. Conversely, neglected examples with significant electrical faults or body corrosion see very low values.
1986 Jaguar XJ6 Cost of Ownership
Owning a 1986 Jaguar XJ6 is unequivocally a costly endeavor, far from economical. Insurance can be reasonable if classified as a classic car, but standard policies might reflect the higher repair costs. Fuel expenses are significant, as it requires premium gasoline and delivers poor fuel economy, typically 14-17 MPG.
The bulk of ownership costs stems from maintenance and repairs. Parts, particularly for the electrical system, cooling system, and specialized components, can be expensive and occasionally difficult to source. Labor costs for skilled mechanics familiar with vintage Jaguars are high. Long-term, anticipate significant expenditures on addressing electrical gremlins, rust remediation, and routine overhauls of aging mechanical systems. This vehicle demands a dedicated owner with a substantial 'contingency fund' for upkeep.
The bulk of ownership costs stems from maintenance and repairs. Parts, particularly for the electrical system, cooling system, and specialized components, can be expensive and occasionally difficult to source. Labor costs for skilled mechanics familiar with vintage Jaguars are high. Long-term, anticipate significant expenditures on addressing electrical gremlins, rust remediation, and routine overhauls of aging mechanical systems. This vehicle demands a dedicated owner with a substantial 'contingency fund' for upkeep.
1986 Jaguar XJ6 Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
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Highway Mileage
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1986 Jaguar XJ6 Insurance
Insurance for a 1986 Jaguar XJ6 is moderately priced, reflecting its status as a Sedan with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 1986 Jaguar XJ6 Compare to Other Sedan?
Stacking the 1986 Jaguar XJ6 against its key luxury rivals of the era reveals a distinct set of strengths and weaknesses. Its primary competitors included the Mercedes-Benz W126 S-Class (e.g., 420SEL, 560SEL) and the BMW E23 7-Series (735i).
In terms of performance, the XJ6's 4.2-liter inline-six offered smooth, refined power suitable for cruising, but it was generally outpaced by the larger displacement V8s found in the Mercedes-Benz S-Class, particularly the 5.6-liter 560SEL, which offered significantly more horsepower and quicker acceleration. BMW's 735i, with its 3.4-liter inline-six, provided a more sporting drive feel, often with better handling dynamics than the softer Jaguar.
Regarding features, all these luxury sedans offered a high degree of comfort and convenience, including leather interiors, wood trim, power accessories, and advanced climate control systems for their time. The Jaguar stood out with its uniquely British aristocratic ambiance and classic styling. Mercedes-Benz and BMW often boasted more robust engineering in their components and sometimes offered slightly more advanced (and often more reliable) electronic features.
Reliability is where the 1986 Jaguar XJ6 falls significantly behind its German counterparts. The Mercedes-Benz W126 S-Class is renowned for its tank-like build quality and exceptional long-term durability, often considered one of the most reliable luxury cars ever made. The BMW E23, while complex, was generally more dependable than the Jaguar, which famously suffered from electrical gremlins, cooling system issues, and rust. This disparity often made the German rivals less costly to maintain in the long run, despite higher initial parts prices.
Price when new was competitive among these luxury brands, though top-tier Mercedes S-Class models often commanded the highest prices. In the current used market, the Jaguar XJ6 typically depreciates more severely than its German counterparts due to its reliability reputation, often making it the most affordable entry into 'classic luxury' but with the highest potential for repair bills.
Better Alternatives: For superior long-term reliability and often better performance, the Mercedes-Benz W126 S-Class (e.g., 420SEL, 560SEL) or a BMW E23/E32 7-Series are generally recommended. They offer similar luxury with fewer headaches. For those captivated by the XJ6's unique charm and willing to invest in its upkeep, there are few direct 'similar' alternatives that offer the exact same blend of styling and ride quality from that era, making it a unique enthusiast choice.
In terms of performance, the XJ6's 4.2-liter inline-six offered smooth, refined power suitable for cruising, but it was generally outpaced by the larger displacement V8s found in the Mercedes-Benz S-Class, particularly the 5.6-liter 560SEL, which offered significantly more horsepower and quicker acceleration. BMW's 735i, with its 3.4-liter inline-six, provided a more sporting drive feel, often with better handling dynamics than the softer Jaguar.
Regarding features, all these luxury sedans offered a high degree of comfort and convenience, including leather interiors, wood trim, power accessories, and advanced climate control systems for their time. The Jaguar stood out with its uniquely British aristocratic ambiance and classic styling. Mercedes-Benz and BMW often boasted more robust engineering in their components and sometimes offered slightly more advanced (and often more reliable) electronic features.
Reliability is where the 1986 Jaguar XJ6 falls significantly behind its German counterparts. The Mercedes-Benz W126 S-Class is renowned for its tank-like build quality and exceptional long-term durability, often considered one of the most reliable luxury cars ever made. The BMW E23, while complex, was generally more dependable than the Jaguar, which famously suffered from electrical gremlins, cooling system issues, and rust. This disparity often made the German rivals less costly to maintain in the long run, despite higher initial parts prices.
Price when new was competitive among these luxury brands, though top-tier Mercedes S-Class models often commanded the highest prices. In the current used market, the Jaguar XJ6 typically depreciates more severely than its German counterparts due to its reliability reputation, often making it the most affordable entry into 'classic luxury' but with the highest potential for repair bills.
Better Alternatives: For superior long-term reliability and often better performance, the Mercedes-Benz W126 S-Class (e.g., 420SEL, 560SEL) or a BMW E23/E32 7-Series are generally recommended. They offer similar luxury with fewer headaches. For those captivated by the XJ6's unique charm and willing to invest in its upkeep, there are few direct 'similar' alternatives that offer the exact same blend of styling and ride quality from that era, making it a unique enthusiast choice.
Final Verdict: Is the 1986 Jaguar XJ6 a Good Sedan?
The 1986 Jaguar XJ6 is ideal for a specific type of owner: the dedicated classic car enthusiast who deeply appreciates its timeless Pininfarina styling, unparalleled ride comfort, and rich British luxury ambiance. It's perfect for someone seeking a weekend cruiser or a rewarding project, rather than a reliable daily driver. An owner should possess either strong mechanical aptitude to tackle its known issues or a substantial budget for a specialist Jaguar mechanic.
Is it worth buying? Absolutely, but only under very specific conditions. You must buy the very best example you can afford, prioritizing a rust-free body, impeccable interior, and a comprehensive service history. Any purchase should be accompanied by a thorough pre-purchase inspection by a Jaguar expert. Critically, set aside a significant 'contingency fund' for inevitable maintenance and repairs, especially related to the electrical and cooling systems. Opting for a Vanden Plas trim can offer enhanced luxury, justifying a slightly higher initial investment for its exclusive features. This is not a purchase for the faint of heart or the budget-conscious, but for those prepared, it offers an incredibly stylish and comfortable classic motoring experience.
Is it worth buying? Absolutely, but only under very specific conditions. You must buy the very best example you can afford, prioritizing a rust-free body, impeccable interior, and a comprehensive service history. Any purchase should be accompanied by a thorough pre-purchase inspection by a Jaguar expert. Critically, set aside a significant 'contingency fund' for inevitable maintenance and repairs, especially related to the electrical and cooling systems. Opting for a Vanden Plas trim can offer enhanced luxury, justifying a slightly higher initial investment for its exclusive features. This is not a purchase for the faint of heart or the budget-conscious, but for those prepared, it offers an incredibly stylish and comfortable classic motoring experience.
Cathleen V
Cathleen is an exceptional freelance writer covering hot topics in the automotive world from a gearhead's perspective. Her articles delve into various aspects of automotive technology and history, offering readers detailed insights into engine performance, reliability, and maintenance. Through her engaging and informative writing, Cathleen provides valuable information to automotive enthusiasts and consumers alike, helping them make informed decisions about vehicle maintenance and purchases.