Problems · NHTSA complaints

2006 Jaguar XJ8 problems

Owners filed 4 complaints about the 2006 Jaguar XJ8 with NHTSA between Aug 2013 and Dec 2017. The most-cited component is power train (1).

Complaints
4
Filed with NHTSA
Crashes
0
Reported by owners
Fires
1
Reported by owners
Injuries
0
People reported injured
Deaths
0
Reported to NHTSA
01 —By component

Complaints by component

One complaint can cite several components
  1. Power train1
  2. Fuel system, gasoline1
  3. Suspension1
  4. Electrical system1

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Data from NHTSA Complaints API · synced Oct 28, 2026NHTSA vehicle page
02 —Trend

When complaints were filed

Does it get worse with age? Complaints per calendar year filed
View as table
Model yearComplaints filed per calendar year
20132
20140
20151
20160
20171

Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.

03 —Owner reports

Top problems in owners’ words

Verbatim from NHTSA complaints, newest first

Power train

1 report
“TL* THE CONTACT OWNS A 2006 JAGUAR XJ8. WHILE THE VEHICLE WAS PLACED IN PARK, IT CONTINUED TO MOVE FORWARD. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE CONTACT STATED THAT THE VEHICLE WAS INOPERABLE. THE CONTACT WAS CONCERNED THAT THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 05V503000 (POWER TRAIN). THE LOCAL DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS NOTIFIED OF THE ISSUE. THE APPROXIMATE FAILURE MILEAGE WAS 105,722.”
Owner complaint to NHTSAFiled Dec 4, 2017Power trainODI 11052318

Fuel system, gasoline

1 report
“JAGUAR HAS LESS THAN 600 MILES / YR, NEVER PARKED OUTSIDE, DRIVEN IN ANY TYPE OF WEATHER BEFORE FAILURE. 3-30-2015, AFTER 170 MILE RIDE, TOPPED THE FUEL OFF BEFORE PLACING BACK INTO INSIDE COVERED STORAGE. NEXT MORNING I DISCOVERED SIGNIFICANT FUEL LEAKAGE ON THE FLOOR UNDER THE REAR OF THE JAGUAR ACCOMPANIED BY SEVERE GASOLINE FUMES THROUGHOUT THE STORAGE GARAGE THAT IS ALSO ATTACHED TO OUR RESIDENCE. UPON CAREFULLY PUSHING THE JAGUAR OUT OF STORAGE AND TAKING OVERT MEASURES TO SECURE THE DANGEROUS SITUATION, INSPECTION REVEALED A SERIOUS FUEL LEAKAGE CONDITION ASSOCIATED WITH THE FUEL TANK ASSEMBLY. PRIOR TO THIS INCIDENT THIS CAR HAD BEEN A FLAWLESS AND VERY ENJOYABLE AUTOMOBILE THAT WE HAD EVERY INTENT KEEPING INDEFINITELY THROUGHOUT OUR RETIREMENT. SEARCHING ONLINE, I DISCOVERED THE NHSTA RECALL CAMPAIGN FOR WHICH WE HAD NEVER RECEIVED ANY NOTICE WHATSOEVER, IN SPITE OF OUR OWNING THIS JAGUAR SINCE 2006 AND NEVER HAVING CHANGED OUR ADDRESS OR OWNERSHIP TITLE. DELIVERED THE JAG TO HOEHN JAGUAR CARLSBAD, CA AND THEY CONFIRMED THE RECALL AND LEARNED THE REQUIRED FUEL TANK ASSEMBLY WAS NOT IN STOCK. A WEEK LATER I WAS NOTIFIED THE REPAIR ASSEMBLY WAS RECEIVED…”
Owner complaint to NHTSAFiled Jun 2, 2015Fuel system, gasolineODI 10722832

Suspension

1 report
“A KNOWN DEFECT IN THE MANUFACTURE OF THE 2004 THROUGH 2006 JAGUAR XJ8S AND NEEDS TO BE RECALLED FOR REPAIR IN REGARD TO THIS MODEL'S AIR SUSPENSION. IN COLD TEMPERATURES (30 DEGREES F OR BELOW), THE AIR SUSPENSION SYSTEM FAILS TO KEEP THE FRONT END OF THE VEHICLE SUSPENDED. A RED LIGHT ON THE INSTRUMENT CLUSTER LIGHTS UP AND THE MESSAGE CENTER DISPLAYS THE WARNING, "VEHICLE TOO LOW". THIS PARTICULAR INCIDENT OCCURRED THIS MORNING, 11/12/2013, AS I STARTED MY CAR (27 DEGREES F OUTSIDE). UNFORTUNATELY, THIS HAPPENED TO ME 6 MONTHS AGO WHILE TRAVELING ON THE INTERSTATE ACROSS COUNTRY WHEN THE OUTSIDE TEMPERATURE DIPPED TO 29 DEGREES F. I WAS GOING THE SPEED LIMIT OF 70 MPH AT THE TIME THAT THE SUSPENSION SUDDENLY DROPPED. IT COULD HAVE CAUSED A MAJOR CAR ACCIDENT. AS SOON AS THE OUTSIDE TEMPERATURE RISES ABOVE 30 DEGREES F, THE AIR SUSPENSION COMPRESSOR KICKS IN AND LIFTS THE VEHICLE UP TO ITS APPROPRIATE HEIGHT. THIS KNOWN DEFECT IN THE MANUFACTURE OF THE AIR SUSPENSION IS HIGHLY DANGEROUS AND A RECALL NEEDS TO BE ENACTED AGAINST THE MANUFACTURER, JAGUAR. I HAVE DISCOVERED ON THE INTERNET COUNTLESS COMPLAINTS OF THIS PROBLEM. *TR”
Owner complaint to NHTSAFiled Nov 12, 2013SuspensionODI 10551907

Electrical system

1 report1 fire
“TL* THE CONTACT OWNS A 2006 JAGUAR XJ8. THE CONTACT STATED THAT WHILE PARKED, SHE NOTICED SMOKE EMITTING FROM THE VEHICLE. THE FIRE DEPARTMENT WAS CONTACTED TO EXTINGUISH THE FIRE. THE VEHICLE WAS REPAIRED AND THE FAILURE WAS CONTRIBUTED TO A SHORT CIRCUIT UNDER THE DRIVER'S SIDE MAIN HEADLIGHT. THE MANUFACTURER WAS NOTIFIED OF THE INCIDENT. THE APPROXIMATE FAILURE MILEAGE WAS 88000..... UPDATED 10-17-13 *BF”
Owner complaint to NHTSAFiled Aug 29, 2013Electrical systemFire reportedODI 10537900
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 28, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.