1999 Jaguar XK8 problems & reliability
23 owner complaints filed with NHTSA for the 1999 Jaguar XK8. Last verified Sep 22, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several components.
1 complaint report injuries (1 injured).
Federal crash records (FARS 2020–2023): 1999 Jaguar XK8 vehicles were involved in 3 fatal crashes with 3 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Engine and Engine Cooling | 5 | 22% |
| Power Train | 5 | 22% |
| Service Brakes, Hydraulic | 3 | 13% |
| Structure | 3 | 13% |
| Vehicle Speed Control | 3 | 13% |
| Suspension | 2 | 9% |
| Air Bags | 1 | 4% |
| Electrical System | 1 | 4% |
| Electronic Stability Control (esc) | 1 | 4% |
| Fuel System, Gasoline | 1 | 4% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
All 14 reported components →Mileage when problems occurred
Among the 21 complaints that included a usable odometer reading, the median reported incident mileage was 55,100 miles (middle 50% between 49,000 and 65,000 miles).
Complaints by incident year
What owners report
“Tl-the contact owns a 1999 jaguar xk8. While driving at any speed, the vehicle would shift into limp home mode and it would not accelerate faster than 5 mph. He also stated that the warning light would illuminate and the computer module would indicate that there was an anti slip defective. The vehicle was taken to the…”
Vehicle Speed Control · filed Nov 18, 2010
“I removed foot from accelerator and applied brake. Car surged forward. I shifted foot farther to left and continued brake application and car stopped. I discovered that brake and accelerator pedals too close together so that, when foot applied to brake, right side of foot can inadvertently press down on accelerator…”
Service Brakes, Hydraulic · filed Feb 21, 2010
“I own a jaguar 1999 xk8- it has repeatedly gone into the "limp home mode" while on the freeway twice causing cars around me to crash while avoiding me. I have had the car into the dealer multiple times and spent thousands to fix this problem but it still recurs. I have just had a different shop work on it and have…”
Electronic Stability Control (esc) · filed Apr 28, 2009
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
36 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 1999 Jaguar XK8. The 10 most recent:
Attachment.
SSM59597Attachme · Service Bulletin/Repair Instructions · issued Apr 14, 2021
Attachment.
SSM59597Attachme · Service Bulletin/Repair Instructions · issued Apr 14, 2021
Attachment.
SSM59597Attachme · Service Bulletin/Repair Instructions · issued Apr 14, 2021
A customer may report "Hood Open" message displays on IP with hood closed.
SFCC_09AUG18_REV · Service Bulletin/Repair Instructions · issued Aug 20, 2018
18C - New face of InControl Touch Pro and 18C software improvements
SFCC_09AUG18_REV · Service Bulletin/Repair Instructions · issued Aug 20, 2018
SIM card activation issues
SFCC_09AUG18_REV · Service Bulletin/Repair Instructions · issued Aug 20, 2018
InControl Touch Pro phase 4 customer letter
SFCC_09AUG18_REV · Service Bulletin/Repair Instructions · issued Aug 20, 2018
Jaguar Land Rover Shop Foreman Conference Call
SFCC_08MAR18 · Service Bulletin/Repair Instructions · issued Mar 8, 2018
Presentation from Dealer Shop Foreman Conference Call
SFCC_14DEC17 · Service Bulletin/Repair Instructions · issued Dec 14, 2017
Mongoose Update.
SSM62038Attachme · Service Bulletin/Repair Instructions · issued Dec 1, 2012
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
No NHTSA recall campaigns name the 1999 Jaguar XK8 in our current data. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 1999 Jaguar XK8?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Among complaints with usable mileage, the median reported incident mileage was 55,100 miles. This does not predict when a particular vehicle will develop a problem.