2003 Jaguar XK8: common problems
Owners of the 2003 Jaguar XK8 filed 6 complaints with NHTSA, most often about electrical system and powertrain. Details by component below, with sources.
Key figures
- Owner complaints
- 6
What fails most often
- 1 Electrical system 33% of all complaints
- 2 Powertrain 33% of all complaints
- 3 Electronic stability control 17% of all complaints
- 4 Wheels 17% of all complaints
- Electrical system: 2 complaints (33% of all).
- Powertrain: 2 complaints (33% of all).
- Electronic stability control: 1 complaints (17% of all).
- Wheels: 1 complaints (17% of all).
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 4.2 L · petrol · 8 cyl
- automatic, 6-speed
Drive: RWD
Symptoms owners describe
How many of the 6 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 2 | 0 | 0 |
| Powertrain | 2 | 0 | 0 |
| Electronic stability control | 1 | 0 | 0 |
| Wheels | 1 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
478 - replace transmission), as follows: "it is important to emphasize that any failure of a transmission which involves complete lockup is only likely to occur at very low vehicle speed, as the transmission shifts down into 1st gear with the vehicle almost at a sandstill after being in higher gears when traveling at…
After slowing the car, the transmission downshifted in a harsh, sudden manner, and then the car accelerates abruptly and surges forward with a "clunking" sound. An amber warning was displayed on the dash saying "gearbox fault". If someone was in front of the car when it surged forward they might have been struck.
My tire went flat while driving on the freeway. The flat could not be repaired because the wheel had cracked on the inside of the wheel, causing the air to leak from the tire. The wheel was not involved in any major collision but did show curb bump damage on the outside and a small area of flattening on the inside.
Problems with 2003 jaguar xk8 stalling. While driving the vehicle stalled intermittently. The consumer came to the conclusion that when his knee accidentally hit the keys in the ignition the vehicle would stall.
Consumer had considerable problems with a dead battery.
The combination of the tires and the new dynamic stability control system produced a situation where if there's low temperature/snow on the ground, the vehicle would only move at a crawl.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 13,281 of 36,659 model years in the NHTSA data (top 36% most complained about).
On average one model year of the XK8 has 17 complaints (7 years in the data). This year has 6, below average.
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Electronic stability control. ABS/ESC sensors, steering angle, codes after suspension repair.
- Wheels. Wheel runout, cracks, signs of a wheel strike.
Other years of this model
Questions and answers
What are the most common problems with the 2003 Jaguar XK8?
Owner complaints to NHTSA most often mention: electrical system, powertrain, electronic stability control. Total complaints: 6. The most frequent symptoms in complaint texts: stalls while driving (33%), battery drain (17%), knocking, grinding or other noise (17%).
How many service bulletins (TSB) were issued for the 2003 Jaguar XK8?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2003 Jaguar XK8 from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2003 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-06.