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2003 Jaguar XK8 Overview, Reviews, Ratings & Specs

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Eugene S | October 6, 2025
The 2003 Jaguar XK8 is a luxurious grand tourer, part of the X100 generation produced from 1996 to 2006. Available as a coupe and convertible, its key trims included the XK8 and the more powerful XKR. When new, pricing ranged from around $65,000 to over $80,000. It stands out with its elegant, timeless styling, potent V8 engine, and premium interior, offering a blend of performance and refinement that appeals to those seeking classic British motoring charm.
The Good

The 2003 XK8 offers a compelling blend of exhilarating V8 performance, sophisticated design, and a comfortable, opulent cabin. Its engaging driving dynamics appeal to enthusiasts, while its timeless aesthetics and luxurious appointments satisfy emotional desires. Practically, it provides a refined touring experience for discerning buyers.

The Bad

Potential buyers of the 2003 Jaguar XK8 should be aware of common issues such as coolant leaks from plastic tensioners and water pumps, aging electrical components, and potential transmission problems. Regular and thorough pre-purchase inspections are crucial to identify these potential costly repairs.

2003 Jaguar XK8: Quick Overview

  • Engine Options: The 2003 Jaguar XK8 came standard with a 4.2-liter naturally aspirated V8 engine.
  • Horsepower: The 4.2-liter V8 produced approximately 290 horsepower.
  • Fuel Economy: Estimated EPA ratings for the 2003 XK8 were around 16 MPG city and 21 MPG highway.
  • 0-60 Times: Acceleration typically ranged from 6.0 to 6.2 seconds for the XK8. The supercharged XKR variant offered quicker times.
  • Towing Capacity: Not applicable, as the XK8 is a luxury grand tourer and not designed for towing.
  • Trim-Level Features (XK8):
    • Leather upholstery
    • Wood interior trim
    • Power-adjustable front seats with memory
    • Automatic climate control
    • Premium audio system
    • Cruise control
    • Power windows, locks, and mirrors
    • 17-inch alloy wheels
    • Fog lights
    • Anti-lock braking system (ABS)
    • Traction control
    • Stability control (often standard or optional depending on package)
    • Optional features could include a navigation system, heated seats, premium sound upgrades, and different wheel designs. The XKR trim added a supercharger for increased power and performance-oriented features.

2003 Jaguar XK8 Specifications

Vehicle Information
Year 2003
Make Jaguar
Model XK8
Trim -
Style -
Type Sedan
Category Subcompact Car
Manufacturing Details
Made In United Kingdom
Manufacturing City BROWNS LANE
Dimensions
Doors 2-Door
Curb Weight 3779 pounds
Gross Vehicle Weight Rating -
Overall Height -
Overall Length -
Overall Width -
Wheelbase Length -
Standard Seating -
Engine & Performance
Engine 4.2 8
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 -
Steering Type -
Pricing
Manufacturer Suggested Retail Price (MSRP) $74,330
Invoice Price $67,641
Delivery Charges $645

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Analysis

What Problems Does the 2003 Jaguar XK8 Have?

The 2003 Jaguar XK8, like many luxury vehicles of its era, can present some common issues that owners should be aware of. One of the most frequently cited problems revolves around the engine's plastic timing chain tensioners and the water pump. Over time, these plastic components can degrade, leading to potential catastrophic engine failure if not addressed proactively. While Jaguar did issue recalls and service campaigns related to some of these components in earlier XK models, it's still a prevalent concern for the 2003 model year. Regular maintenance and an inspection of these parts are highly recommended. Electrical gremlins are also not uncommon, with issues ranging from malfunctioning power windows and seat motors to sensor failures. The ZF 5HP24 automatic transmission, while generally robust, can also develop issues with age, often related to mechatronic unit failure or solenoid problems, leading to rough shifting or a complete loss of drive. Body control module (BCM) issues can also manifest in various electrical quirks. While there aren't widespread recalls specifically for the 2003 XK8 that point to inherent design flaws across the board, individual components and systems can be prone to wear and tear. Long-term reliability largely depends on the thoroughness of maintenance performed by previous owners. Cars with comprehensive service records and proactive attention to known potential problems tend to fare much better than those that have been neglected. Rust can also be a concern on older examples, particularly around the wheel arches, sills, and trunk lid.

How long will the 2003 Jaguar XK8 last?

Based on owner data and common observations, a well-maintained 2003 Jaguar XK8 can realistically achieve 150,000 to 200,000 miles or more. However, reaching these figures hinges significantly on consistent and diligent maintenance. The long-term durability is heavily influenced by addressing known weaknesses, particularly the plastic timing chain tensioners and water pump, before they fail. Proactive replacement of these components with updated metal versions is critical for longevity. Similarly, regular fluid changes for the engine and transmission, along with addressing any early signs of rust, will contribute to sustained service life. Without proper care, electrical issues and transmission problems can shorten its operational lifespan and increase ownership costs substantially over time.

What Technology & Safety Features are Included?

The 2003 Jaguar XK8 offered a respectable, though not cutting-edge by today's standards, suite of technology and safety features for its time. Built-in tech primarily centered around comfort and convenience. The infotainment system typically included an AM/FM stereo with a CD player, often with a premium audio upgrade from brands like Alpine or Harman Kardon available. While a touchscreen navigation system was an option, it was not standard on all models. The climate control system was automatic, providing a comfortable cabin environment. In terms of driver assistance, standard features included Anti-lock Braking System (ABS) and traction control. Stability control was also available or standard on certain trims, enhancing handling in challenging conditions.
Safety features were robust for the era. Standard equipment included front airbags, side-impact airbags, and a strong body structure designed to protect occupants. Seatbelt pre-tensioners were also included to enhance occupant restraint in a collision.
Optional features could further enhance the driving experience, such as heated seats, power-adjustable steering column, and an auto-dimming rearview mirror. While official crash-test ratings from organizations like the NHTSA or IIHS for this specific model year are not readily available, Jaguar vehicles of this period were generally designed with occupant safety in mind, often performing well in their respective class safety assessments. The XK8's structure and airbag systems provided a good level of protection for its occupants during its production run.

What Colors Options are Available?

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2003 Jaguar XK8 Prices and Market Value

When new, the 2003 Jaguar XK8 had a Manufacturer's Suggested Retail Price (MSRP) that typically ranged from approximately $65,000 for the base XK8 coupe to over $80,000 for the higher-spec XKR convertible. As is common with luxury vehicles, the XK8 experienced significant depreciation in its initial years.
Currently, the used market prices for a 2003 Jaguar XK8 vary widely based on condition, mileage, maintenance history, and trim level. Expect to find them ranging from $8,000 to $20,000 for well-maintained examples. Factors significantly affecting resale value include the presence of comprehensive service records, originality of parts, overall body and interior condition, and whether known potential issues (like timing chain tensioners) have been addressed. Lower mileage and the desirable XKR trim can command higher prices. Poorly maintained examples or those with significant mechanical or cosmetic flaws will be at the lower end of this spectrum.

2003 Jaguar XK8 Cost of Ownership

Owning a 2003 Jaguar XK8 is generally considered costly rather than economical. Insurance premiums can be higher due to its luxury status and performance. Fuel economy, with its V8 engine, is also modest, contributing to ongoing expenses. Maintenance costs are typically above average, requiring specialized knowledge and parts, often from Jaguar dealerships or independent specialists. Repair costs for common issues, such as timing chain tensioners or transmission problems, can be significant and add up quickly. While the initial purchase price has depreciated considerably, the long-term cost of ownership, driven by maintenance and potential repairs, positions the XK8 as a more indulgent purchase than a budget-friendly option.

2003 Jaguar XK8 Fuel Efficiency

Fuel Type Gasoline (Required)
Fuel Capacity 19.9 gallons
City Mileage 16 miles/gallon
Highway Mileage 24 miles/gallon

2003 Jaguar XK8 Safety Rating

NHTSA
Side Driver Rating
Frontal Passenger Rating
Rollover Rating
Side Rear Passenger Rating
Frontal Driver Rating
IIHS
Rear Crash Protection/Head Restraint Ratings Not Tested
Moderate Overlap Front Test Results Not Tested
Side Impact Test Results Not Tested

2003 Jaguar XK8 Recalls & Defects

Fuel System, Gasoline
Recall date 2006-05-19
Recall no. 06e043000
Source NHTSA
Summary Certain Replacement Fuel Filters, Fram Brand Name P/N G3727, With Date Codes X52911 Through X60801 Sequentially or X600141 and A Mexico Country or Origin Marking ON THE Fuel Filter Housing Manufactured From October 18, 2005, Through March 21, 2006, Sold FOR USE ON THE Vehicles Listed Above and ON Certain School Buses. (TO SEE THE School Bus Engine Sizes, Click ON "document Search" and Then "bus Applications"). THE Connector ON THE Fuel Filter WAS NOT Manufactured TO Honeywell's Specification. AS A Result, THE O-Ring MAY NOT Seat Correctly ON THE Fuel Line.
Consequence This Condition MAY Cause AN Inadequate Seal AT THE Connection, Potentially Leading TO A Fuel Leak. IN THE Presence OF AN Ignition Source, A Fire Could Occur.
Remedy Honeywell Will Notify Owners and Replace THE Fuel Filters Free OF Charge. THE Recall Began ON October 18, 2006. Owners MAY Contact Fram Customer Service AT 1-800-890-2075 (Option 1).
Notes This Recall Only Pertains TO Aftermarket Fram Fuel Filters and HAS NO Relation TO ANY Original Equipment Installed ON THE Vehicles Listed.customers MAY Contact THE National Highway Traffic Safety Administration's Vehicle Safety Hotline AT 1-888-327-4236 (Tty: 1-800-424-9153); or GO TO Http://Www.safercar.gov.

2003 Jaguar XK8 Insurance

Insurance for a 2003 Jaguar XK8 is moderately priced, reflecting its status as a Sedan with strong safety ratings and
reasonable repair costs.

How Does the 2003 Jaguar XK8 Compare to Other Sedan?

The 2003 Jaguar XK8 competed in the luxury grand tourer segment against formidable rivals such as the Porsche 911, Mercedes-Benz SL-Class, and BMW 8 Series (though the 8 Series was phased out by this year, its spirit continued in other BMW coupes).
Performance: The XK8's V8 offered smooth, powerful acceleration, particularly in the XKR guise. However, the Porsche 911 generally offered superior handling dynamics and more raw performance. The Mercedes SL provided a refined yet potent experience.
Features: The XK8 boasted a luxurious interior with premium materials, but rivals like Mercedes-Benz often led in cutting-edge technology and advanced driver aids. Porsche focused more on driver engagement than creature comforts.
Reliability: This is where the XK8 often faltered compared to its German counterparts. While the 911 and SL-Class (especially later models) gained reputations for solid reliability, the XK8 was more prone to electrical issues and specific mechanical wear items like timing chain tensioners, demanding more diligent maintenance.
Price: The XK8 offered a significant value proposition on the used market compared to a similarly equipped Porsche 911 or Mercedes SL, often being more affordable to purchase.
Alternatives:
If superior reliability and handling are paramount, the Porsche 911 (996 generation) is a strong, albeit often more expensive, alternative. For a balance of luxury, performance, and potentially better long-term reliability, a Mercedes-Benz SL500 (R230 generation) is a comparable choice. If the focus is on pure comfort and a quieter, more relaxed grand touring experience with strong engineering, a BMW 6 Series (E63/E64), though slightly newer, could also be considered. However, if classic British styling, V8 soundtrack, and a more evocative driving experience at a potentially lower purchase price are the priorities, the 2003 XK8 remains a compelling, though higher-maintenance, option.

Final Verdict: Is the 2003 Jaguar XK8 a Good Sedan?

The 2003 Jaguar XK8 is ideal for the discerning enthusiast who appreciates classic British automotive design, V8 power, and a luxurious grand touring experience, and who is prepared for potentially higher maintenance costs. It's not a vehicle for someone seeking trouble-free, low-cost transportation.
Whether it's worth buying hinges entirely on the buyer's expectations and willingness to invest in its upkeep. For those seeking a stylish, comfortable, and engaging coupe or convertible that turns heads and offers a rewarding drive, it can be a fantastic value on the used market. However, it is crucial to buy a well-maintained example with a solid service history, ideally one where known issues like the timing chain tensioners have already been addressed. Purchasing a neglected XK8 is a recipe for costly disappointment. Specifically, a well-documented XK8 with lower mileage and perhaps the more potent XKR trim offers the most compelling ownership proposition, provided the buyer has budgeted for potential repairs and specialized maintenance.

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Eugene S

Eugene is an automotive enthusiast with over 15 years of experience in the used car market. As a writer at VINCheck.info, he brings deep industry insight and a passion for cars, helping readers make smart, informed decisions. Eugene has written hundreds of used car reviews and is known for breaking down complex automotive topics into clear, actionable advice. Over the years, he has driven and worked on a wide range of vehicles—starting with tuning street cars in his early days and eventually focusing on performance upgrades and reliability improvements. Today, he specializes in evaluating used vehicles through the lens of real-world ownership and enthusiast needs. A longtime fan of Porsche, Eugene especially appreciates vehicles that blend durability with driving enjoyment.