The 2004 Jaguar XJ-Series introduced the X350 generation, marking a significant leap with its revolutionary all-aluminum monocoque body. This full-size luxury sedan, produced from 2003 to 2009, retained Jaguar's timeless, elegant styling while offering modern engineering. Key trims included the XJ8, Vanden Plas, the performance-oriented XJR, and the opulent Super V8. Initially priced from approximately $59,000 to over $90,000, its lightweight construction and refined ride made it a standout, offering a distinct British luxury experience against German rivals.
The Good
The 2004 Jaguar XJ-Series boasts an exquisite, classic design that appeals emotionally, combined with a remarkably comfortable and serene ride, thanks to its adaptive air suspension. Its all-aluminum body contributes to surprising agility and improved fuel efficiency for its class, offering practical benefits. Powerful V8 engines deliver strong performance, making it a compelling luxury sedan with excellent used market value.
The Bad
Known weaknesses for the 2004 Jaguar XJ-Series primarily revolve around its complex air suspension system, which can be costly to repair. Electrical gremlins, particularly with modules and sensors, are also common. Maintenance can be expensive, and certain engine components like timing chain tensioners require attention, especially in higher mileage examples.
2004 Jaguar XJ-Series: Quick Overview
The 2004 Jaguar XJ-Series (X350 generation) offered a range of robust V8 engines and luxurious trim levels:
- Engine Options:
- 4.2-liter Naturally Aspirated V8: Standard in XJ8 and Vanden Plas models.
- 4.2-liter Supercharged V8: Exclusive to the XJR and Super V8 models.
- Horsepower:
- XJ8/Vanden Plas: 294 hp @ 6000 rpm and 303 lb-ft of torque @ 4100 rpm.
- XJR/Super V8: 390 hp @ 6100 rpm and 399 lb-ft of torque @ 3500 rpm.
- Transmission: All models feature a 6-speed automatic transmission.
- Fuel Economy (EPA Estimates):
- XJ8/Vanden Plas: Approximately 18 MPG city / 28 MPG highway.
- XJR/Super V8: Approximately 16 MPG city / 23 MPG highway.
- 0-60 MPH Times:
- XJ8/Vanden Plas: Around 6.3-6.6 seconds.
- XJR/Super V8: Impressive 5.0-5.3 seconds.
- Towing Capacity: Not officially rated or recommended for significant towing, as it's a luxury sedan.
- Key Trim-Level Features:
- XJ8: Entry-level luxury with leather upholstery, power-adjustable seats, dual-zone climate control, adaptive air suspension, and a premium audio system.
- Vanden Plas: Builds on the XJ8 with extended wheelbase for increased rear legroom, softer leather, unique wood trim, heated front and rear seats, and often a navigation system.
- XJR: Performance-oriented with the supercharged engine, sport-tuned suspension, larger brakes, unique alloy wheels, mesh grille, and sport seats.
- Super V8: Pinnacle of luxury and performance, combining the supercharged engine with the extended wheelbase and all the opulent features of the Vanden Plas, including upgraded audio, rear picnic tables, and often more extensive leather and wood finishes.
2004 Jaguar XJ-Series Specifications
Vehicle Information
| Year | 2004 |
| Make | Jaguar |
| Model | XJ-Series |
| Trim | - |
| Style | - |
| Type | Sedan |
| Category | Mid-Size Car |
Manufacturing Details
| Made In | United Kingdom |
| Manufacturing City | BROWNS LANE |
Dimensions
| Doors | 4-Door |
| Curb Weight | 3766 pounds |
| Gross Vehicle Weight Rating | - |
| Overall Height | 57.00 inches |
| Overall Length | 200.40 inches |
| Overall Width | 73.20 inches |
| Wheelbase Length | 119.40 inches |
| Standard Seating | 5 |
Engine & Performance
| Engine | 4.2-L V-8 DOHC 32V |
| Engine Size | 4.2L |
| Engine Cylinders | 8 |
| Transmission | 6-Speed Automatic |
| Transmission Type | Automatic |
| Transmission Speeds | 6-Speed |
| Drivetrain | Rear-Wheel Drive |
Additional Features
| Anti-Brake System | 4-Wheel ABS |
| Steering Type | Rack & Pinion |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | $59,830 |
| Invoice Price | $54,445 |
| Delivery Charges | $665 |
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What Problems Does the 2004 Jaguar XJ-Series Have?
The 2004 Jaguar XJ-Series, while exuding elegance, does have several frequently reported problems and long-term reliability concerns that potential owners should be aware of, characteristic of its X350 generation. The most prominent issue is with the adaptive air suspension system. Components like the air compressor, air struts (which integrate the shock absorber, air spring, and ride height sensor), and associated lines are known to fail over time, leading to a sagging vehicle or an illuminated "Air Suspension Fault" light. Repairs can be very expensive, often requiring replacement of entire strut assemblies.
Electrical problems are also common. These can manifest as malfunctioning window regulators, faulty sensors (e.g., ABS, wheel speed), instrument cluster glitches, or issues with the infotainment system. While the all-aluminum body is resistant to rust, some owners report issues with door handles or other exterior trim components.
Engine-wise, the 4.2-liter V8s are generally robust, but some instances of timing chain tensioner failure or water pump issues have been reported, particularly on higher mileage examples if maintenance has been neglected. Supercharged models (XJR, Super V8) can experience issues with the supercharger bypass valve or intercooler pumps. The automatic transmission is generally reliable but benefits greatly from regular fluid changes, which are often overlooked.
As for recalls, specific to the 2004 model year, there have been a few minor ones. For instance, NHTSA Campaign Number 03V487000 concerned brake light switch failure, potentially leaving brake lights inoperable. Another, 04V102000, addressed a potential issue with the power steering hose, which could rub and cause a fluid leak. Prospective buyers should always check a vehicle's VIN for any outstanding recall work. Overall, while these Jaguars are capable of high mileage, their complexity means diligent and often costly maintenance is required to keep them running optimally.
Electrical problems are also common. These can manifest as malfunctioning window regulators, faulty sensors (e.g., ABS, wheel speed), instrument cluster glitches, or issues with the infotainment system. While the all-aluminum body is resistant to rust, some owners report issues with door handles or other exterior trim components.
Engine-wise, the 4.2-liter V8s are generally robust, but some instances of timing chain tensioner failure or water pump issues have been reported, particularly on higher mileage examples if maintenance has been neglected. Supercharged models (XJR, Super V8) can experience issues with the supercharger bypass valve or intercooler pumps. The automatic transmission is generally reliable but benefits greatly from regular fluid changes, which are often overlooked.
As for recalls, specific to the 2004 model year, there have been a few minor ones. For instance, NHTSA Campaign Number 03V487000 concerned brake light switch failure, potentially leaving brake lights inoperable. Another, 04V102000, addressed a potential issue with the power steering hose, which could rub and cause a fluid leak. Prospective buyers should always check a vehicle's VIN for any outstanding recall work. Overall, while these Jaguars are capable of high mileage, their complexity means diligent and often costly maintenance is required to keep them running optimally.
How long will the 2004 Jaguar XJ-Series last?
A well-maintained 2004 Jaguar XJ-Series can realistically achieve 150,000 to 200,000 miles or more, often providing 15-20 years of service. Its all-aluminum body means rust is rarely a structural concern, contributing to excellent long-term durability in that regard. The 4.2L V8 engines are fundamentally strong if serviced correctly. However, long-term weaknesses frequently emerge in the air suspension system, electronics, and various sensors. These components are prone to failure around the 80,000-120,000 mile mark, requiring significant investment. Consistent preventative maintenance, including fluid changes and addressing issues promptly, is crucial to mitigate these age-related and mileage-related failures, extending its usable life considerably beyond average estimates for neglected examples.
What Technology & Safety Features are Included?
The 2004 Jaguar XJ-Series was well-equipped for its era, offering a blend of traditional luxury and emerging technologies. Standard built-in tech included a sophisticated infotainment system with a large central touchscreen, controlling audio, climate, and optional navigation. The premium audio system, often a CD changer-based unit, delivered excellent sound quality throughout the cabin. Dual-zone automatic climate control was standard, ensuring comfort for all occupants. Bluetooth connectivity, while common today, was not standard and was often an aftermarket solution or a very rare factory option in this generation.
Driver-assistance features were less prevalent compared to modern vehicles. The XJ-Series did offer stability control (DSC - Dynamic Stability Control), traction control, and anti-lock brakes (ABS) as standard. Rear parking sensors were typically standard or a widely available option across most trims, aiding in maneuverability of the long sedan. Cruise control was also standard.
Safety features included a comprehensive airbag system with front, side-impact, and full-length side curtain airbags. Three-point seatbelts were provided for all five occupants, with front seatbelt pretensioners. The sturdy aluminum body structure offered significant passive safety. However, due to its low sales volume for specific models in the US and the typical practice for luxury cars of that era, the 2004 Jaguar XJ-Series was not subjected to comprehensive crash-test ratings by the NHTSA (National Highway Traffic Safety Administration) or the IIHS (Insurance Institute for Highway Safety). Therefore, specific ratings like "Good" or "Poor" are generally unavailable for this model year, though its robust construction was designed to meet stringent global safety standards.
Driver-assistance features were less prevalent compared to modern vehicles. The XJ-Series did offer stability control (DSC - Dynamic Stability Control), traction control, and anti-lock brakes (ABS) as standard. Rear parking sensors were typically standard or a widely available option across most trims, aiding in maneuverability of the long sedan. Cruise control was also standard.
Safety features included a comprehensive airbag system with front, side-impact, and full-length side curtain airbags. Three-point seatbelts were provided for all five occupants, with front seatbelt pretensioners. The sturdy aluminum body structure offered significant passive safety. However, due to its low sales volume for specific models in the US and the typical practice for luxury cars of that era, the 2004 Jaguar XJ-Series was not subjected to comprehensive crash-test ratings by the NHTSA (National Highway Traffic Safety Administration) or the IIHS (Insurance Institute for Highway Safety). Therefore, specific ratings like "Good" or "Poor" are generally unavailable for this model year, though its robust construction was designed to meet stringent global safety standards.
What Colors Options are Available?
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2004 Jaguar XJ-Series Prices and Market Value
When new, the 2004 Jaguar XJ-Series had a wide price range reflecting its diverse trims. The XJ8 started around $59,000, while the luxurious Vanden Plas approached $70,000. The performance-oriented XJR could exceed $80,000, and the top-tier Super V8 often surpassed $90,000. Today, depreciation has been significant, making these cars exceptional values on the used market. Current used prices typically range from $4,000 for higher-mileage or cosmetically challenged examples to $15,000 or more for meticulously maintained, low-mileage Super V8s or XJRs. Factors affecting resale value include mileage, service history, condition of the air suspension, and overall cosmetic state. The higher-performance and long-wheelbase models tend to hold a slight premium, but overall, they have depreciated heavily, making them affordable entry points into luxury ownership.
2004 Jaguar XJ-Series Cost of Ownership
The 2004 Jaguar XJ-Series is generally a costly vehicle to own long-term. Insurance premiums are typically higher due to its luxury status and repair costs. Fuel costs are substantial, especially for the supercharged models, given its requirement for premium gasoline and relatively modest MPG. Maintenance is critical and expensive; specialized parts and labor drive up routine service. Major repairs, particularly for the air suspension, electrical issues, or complex engine components, can easily run into thousands of dollars. While the initial purchase price is low, budgeting generously for preventative maintenance and potential repairs is essential. This is not an economical car to own, but a rewarding one for enthusiasts willing to invest.
2004 Jaguar XJ-Series Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
22.50 gallons
City Mileage
18 miles/gallon
Highway Mileage
28 miles/gallon
2004 Jaguar XJ-Series Safety Rating
NHTSA
IIHS
2004 Jaguar XJ-Series Warranty
Basic
Original warranty
48 months / 50,000 miles
Estimated remaining
Expired
Powertrain
Original warranty
48 months / 50,000 miles
Estimated remaining
Expired
Rust
Original warranty
72 months / unlimited miles
Estimated remaining
Expired
2004 Jaguar XJ-Series Insurance
Insurance for a 2004 Jaguar XJ-Series is moderately priced, reflecting its status as a Sedan with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2004 Jaguar XJ-Series Compare to Other Sedan?
The 2004 Jaguar XJ-Series competed in a fierce segment against established German and Japanese rivals. Its primary competitors included the Mercedes-Benz S-Class (W220), BMW 7-Series (E65/E66), Audi A8 (D3), and the Lexus LS 430.
In terms of performance, the XJR's 390 hp supercharged V8 was competitive, offering brisk acceleration similar to the S55 AMG or 745i/750i. The naturally aspirated XJ8 was on par with the S430 or 740i. The XJ's all-aluminum body gave it an advantage in agility and a lighter feel than its German counterparts.
Features were comparable, with all rivals offering top-tier luxury, navigation, premium audio, and advanced safety for the era. The XJ's interior, however, leaned more towards traditional British elegance with extensive wood and leather, contrasting with the more tech-forward or minimalist designs of some competitors. The XJ's ride comfort, thanks to its standard air suspension, was arguably among the best.
Reliability is where the Jaguar typically lagged. While all luxury cars of this vintage can be expensive to maintain, the Lexus LS 430 is widely considered the benchmark for reliability and lower long-term costs. The Mercedes S-Class and BMW 7-Series also had their share of electronic and suspension issues, but Jaguar's air suspension and electrical gremlins often made it a more financially demanding choice. The Audi A8, with its Quattro AWD, offered a distinct advantage in adverse weather, but its complex systems could also lead to costly repairs.
On the used market price, the 2004 XJ-Series, like its German rivals, has depreciated significantly, offering great value for money upfront compared to its original MSRP. The Lexus LS 430 tends to hold its value slightly better due to its legendary reliability.
Recommendations:
In terms of performance, the XJR's 390 hp supercharged V8 was competitive, offering brisk acceleration similar to the S55 AMG or 745i/750i. The naturally aspirated XJ8 was on par with the S430 or 740i. The XJ's all-aluminum body gave it an advantage in agility and a lighter feel than its German counterparts.
Features were comparable, with all rivals offering top-tier luxury, navigation, premium audio, and advanced safety for the era. The XJ's interior, however, leaned more towards traditional British elegance with extensive wood and leather, contrasting with the more tech-forward or minimalist designs of some competitors. The XJ's ride comfort, thanks to its standard air suspension, was arguably among the best.
Reliability is where the Jaguar typically lagged. While all luxury cars of this vintage can be expensive to maintain, the Lexus LS 430 is widely considered the benchmark for reliability and lower long-term costs. The Mercedes S-Class and BMW 7-Series also had their share of electronic and suspension issues, but Jaguar's air suspension and electrical gremlins often made it a more financially demanding choice. The Audi A8, with its Quattro AWD, offered a distinct advantage in adverse weather, but its complex systems could also lead to costly repairs.
On the used market price, the 2004 XJ-Series, like its German rivals, has depreciated significantly, offering great value for money upfront compared to its original MSRP. The Lexus LS 430 tends to hold its value slightly better due to its legendary reliability.
Recommendations:
- For ultimate reliability and lower ownership costs: The Lexus LS 430 is a superior alternative.
- For more modern tech and driving dynamics (albeit with potential complexity): The BMW 7-Series (E65/E66) or Audi A8 (D3).
- For a more subdued, comfortable ride with robust build quality: The Mercedes-Benz S-Class (W220).
- The Jaguar XJ-Series remains unique for its classic styling, aluminum body, and distinctive driving feel, making it an excellent choice for those prioritizing traditional luxury and character, provided they budget for its specific maintenance needs.
Final Verdict: Is the 2004 Jaguar XJ-Series a Good Sedan?
The 2004 Jaguar XJ-Series is ideal for the discerning buyer who appreciates classic British luxury, unique styling, and a remarkably refined driving experience, and who isn't afraid of higher maintenance costs. It's an excellent used car purchase, offering incredible value given its initial price. It's worth buying for an enthusiast or someone seeking a distinctive luxury sedan, but only under specific conditions. Look for meticulously maintained examples with comprehensive service records, especially concerning the air suspension and any electrical work. Prioritize inspections by a Jaguar specialist. The XJR or Super V8 trims offer exhilarating performance with peak luxury. Avoid neglected, cheap examples unless you have substantial funds for immediate repairs. This car is a passion purchase, not a pragmatic one, but it delivers immense satisfaction for the right owner.
Jovan
Jovan specializes in interpreting vehicle records and making sense of VIN data. With over 10 years of experience in the automotive data industry, his work ensures that every report is clear, accurate, and useful for car buyers.