← New search

2004 Jaguar XJ8

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

About this comparison →

How this year compares

Owner complaints by model year

Other model years Selected year
Compare all XJ8 years →

Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

43 reports with mileage · 11 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Suspension. Review the 17 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Vehicle Speed Control. Review the 12 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

10 crash reports1 fire reports2 injury reports

Power Train complaints

8 reports
Clear category filter
Mileage unknown · Mar 23, 2018
EnginePower Train

TL* THE CONTACT OWNS A 2004 JAGUAR XJ8. WHILE DRIVING APPROXIMATELY 5 MPH, THE TRANSMISSION FAILED TO SHIFT UP AND THE ENGINE STALLED. THE VEHICLE WAS ABLE TO BE RESTARTED. THE VEHICLE WAS NOT TAKEN TO A DEALER. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND STATED THAT THERE WAS NO…

Read full complaint

TL* THE CONTACT OWNS A 2004 JAGUAR XJ8. WHILE DRIVING APPROXIMATELY 5 MPH, THE TRANSMISSION FAILED TO SHIFT UP AND THE ENGINE STALLED. THE VEHICLE WAS ABLE TO BE RESTARTED. THE VEHICLE WAS NOT TAKEN TO A DEALER. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND STATED THAT THERE WAS NO RECALL. THE FAILURE MILEAGE WAS NOT AVAILABLE.

NHTSA ODI #11081032

119,236 miles · Jan 14, 2015
Electrical SystemFuel/propulsion SystemPower Train

WELL I WAS DRIVING ALONG AND ALL OF A SUDDEN JUST LOST FUEL POWER, SO I PULL OVER, CUT THE CAR OFF, AND STARTED THE CAR UP AGAIN AND DROVE ABOUT A 100 YARDS AND IT REPEATED THE SAME THING OVER AGAIN. I MUST HAVE DID IT AT LEAST 6 TIMES TILL I GOT HOME. SO I'M THINKING THAT IT MIGHT BE THE THROTTLE BOX, IT'S A FUEL AND ELECTRICAL…

Read full complaint

WELL I WAS DRIVING ALONG AND ALL OF A SUDDEN JUST LOST FUEL POWER, SO I PULL OVER, CUT THE CAR OFF, AND STARTED THE CAR UP AGAIN AND DROVE ABOUT A 100 YARDS AND IT REPEATED THE SAME THING OVER AGAIN. I MUST HAVE DID IT AT LEAST 6 TIMES TILL I GOT HOME. SO I'M THINKING THAT IT MIGHT BE THE THROTTLE BOX, IT'S A FUEL AND ELECTRICAL PROBLEM. *TR

NHTSA ODI #10672343

Mileage unknown · Jan 17, 2008
Power TrainVehicle Speed Control

WHILE STOPPED AT A RED LIGHT, FOOT ON BRAKE, SHIFT IN DRIVE, VEHICLE WENT INTO VERY HIGH RATE OF ACCELERATION AND LUNGED UNCONTROLLABLY FORWARD. LUCKILY THERE WAS NO VEHICLE IN FRONT OF ME AS I WOULD HAVE CRASHED INTO IT. I NOTIFIED THE DEALER AND HE REFERRED ME TO A LOCAL DEALER. THE VEHICLE WAS INSPECTED AND I WAS ASSURED THAT…

Read full complaint

WHILE STOPPED AT A RED LIGHT, FOOT ON BRAKE, SHIFT IN DRIVE, VEHICLE WENT INTO VERY HIGH RATE OF ACCELERATION AND LUNGED UNCONTROLLABLY FORWARD. LUCKILY THERE WAS NO VEHICLE IN FRONT OF ME AS I WOULD HAVE CRASHED INTO IT. I NOTIFIED THE DEALER AND HE REFERRED ME TO A LOCAL DEALER. THE VEHICLE WAS INSPECTED AND I WAS ASSURED THAT THEY FOUND NOTHING WRONG. THIS WAS A VERY SCARY SITUATION AND THE MANUFACTURER SHOULD SERIOUSLY LOOK INTO THE MATTER. *TR

NHTSA ODI #10215247

1,000 miles · Aug 7, 2007
Electrical SystemPower TrainService Brakes, HydraulicCrash

TL*THE CONTACT OWNS A 2004 JAGUAR XJ8. WHILE DRIVING 5 MPH THE VEHICLE WOULD NOT STOP WHEN THE BRAKES WERE APPLIED THIS CAUSED HIM TO CRASH INTO ANOTHER VEHICLE. THE ROAD CONDITIONS WERE DRY. THE CONTACT STATED THAT THERE WAS DAMAGE TO HER BUMPER. THE FAILURE OCCURRED ON FIVE OCCASIONS HOWEVER ONLY TWO RESULTED IN A CRASH. …

Read full complaint

TL*THE CONTACT OWNS A 2004 JAGUAR XJ8. WHILE DRIVING 5 MPH THE VEHICLE WOULD NOT STOP WHEN THE BRAKES WERE APPLIED THIS CAUSED HIM TO CRASH INTO ANOTHER VEHICLE. THE ROAD CONDITIONS WERE DRY. THE CONTACT STATED THAT THERE WAS DAMAGE TO HER BUMPER. THE FAILURE OCCURRED ON FIVE OCCASIONS HOWEVER ONLY TWO RESULTED IN A CRASH. THE DEALER WAS UNABLE TO DIAGNOSE THE FAILURE. THE FIRST FAILURE MILEAGE WAS 5,000 AND THE CURRENT MILEAGE WAS 10,500 WHEN TURNED IN ON 05/02/07. UPDATED 02-01-08 *BF THE CONSUMER STATED EACH OCCURRENCE TRANSMISSION LOST ABILITY TO DOWNSHIFT. THE CONSUMER FURTHER STATED HAD SOFTWARE MALFUNCTION AND BATTERY HAD TO BE REPLACED TWICE. THE CONSUMER STATED HE WAS FORCED TO PAY OFF THE LAST YEAR OF THE VEHICLE AS THE DEALER WOULD NOT EXCUSE HIM FROM THE LAST YEAR OF PAYMENT. UPDATED 02/01/08 *TR

NHTSA ODI #10198769

18,000 miles · Mar 22, 2007
Power Train

THIS JAGUAR 2004 XJ8 HAS BEEN SUBJECT TO 6 UNINTENDED ACCELERATONS OVER A PERIOD OF HALF A YEAR INCLUDING TWO IN THE DEALER'S SHOP. WHEN IN TRAFFIC OR CLOSE QUARTERS IT HAS BEEN NECESSARY TO PLACE THE SHIFTER IN NEUTRAL OR REVERSE TO CONTROL THE ACCELERATION. THE DEALER HAS HAD THE CAR IN HIS SHOP ON THREE OCCASIONS. ON T…

Read full complaint

THIS JAGUAR 2004 XJ8 HAS BEEN SUBJECT TO 6 UNINTENDED ACCELERATONS OVER A PERIOD OF HALF A YEAR INCLUDING TWO IN THE DEALER'S SHOP. WHEN IN TRAFFIC OR CLOSE QUARTERS IT HAS BEEN NECESSARY TO PLACE THE SHIFTER IN NEUTRAL OR REVERSE TO CONTROL THE ACCELERATION. THE DEALER HAS HAD THE CAR IN HIS SHOP ON THREE OCCASIONS. ON THE FIRST OCCASION NOTHING WAS FOUND. ON THE SECOND OCCASION IT WAS SAID THAT THE FUEL PUMP OR ITS WIRING HARNESS WERE FAULTY AND WERE REPLACED. ON THE PRESENT OCCASION IT WAS THOUGHT THAT POSSIBLY THIS WAS A TRANSMISSION PROBLEM. THERE HAVE BEEN MUTIPLE EPISODE AND SO ONLY THE LAST ONE IS MENTIONED BELOW.

NHTSA ODI #10185950

16,668 miles · Jul 22, 2005
Power Train

2004 JAGUAR XJ8 NEW VEHICLE LIMITED WARRANTY.***NO ANSWER REQUIRED***. *MR WHILE DRIVING THE THE FRONT PASSENGER SIDE WHELL CAME OFF CAUING CONSIDRABLE DAMAGE TO THE VEHICLE AND DFAMGE TO TOW OTHER VEHICLE'S.

NHTSA ODI #10131329

Mileage unknown · Jun 24, 2005
Electrical SystemEngine And Engine CoolingPower Train

DT: 2004, JAGUAR, XJ8. VEHICLE HAD TO HAVE THE BRAKES AND TRANSMISSION REPLACED. ALSO, VEHICLE NEEDED A NEW STARTER BECAUSE THE KEY WILL NOT COME OUT OF THE IGNITION. AFTER VEHICLE WAS TAKEN TO THE DEALERSHIP THE CATALYTIC CONVERTER MADE A POPPING NOISE. THERE WERE NO OTHER PROBLEMS WITH THE VEHICLE TO THE BEST OF …

Read full complaint

DT: 2004, JAGUAR, XJ8. VEHICLE HAD TO HAVE THE BRAKES AND TRANSMISSION REPLACED. ALSO, VEHICLE NEEDED A NEW STARTER BECAUSE THE KEY WILL NOT COME OUT OF THE IGNITION. AFTER VEHICLE WAS TAKEN TO THE DEALERSHIP THE CATALYTIC CONVERTER MADE A POPPING NOISE. THERE WERE NO OTHER PROBLEMS WITH THE VEHICLE TO THE BEST OF THE CONSUMERS KNOWLEDGE. CONSUMER FELT THAT THE MECHANICS WORKING ON VEHICLE WERE GUESSING AS TO THE CAUSE OF THE PROBLEM WITHOUT SOLVING THE PROBLEM, CONSUMER TOOK VEHICLE BACK TO THE DEALER 12 TIMES SINCE PURCHASING VEHICLE ON JUNE 25, 2005. *AK

NHTSA ODI #10126516

3,555 miles · Aug 12, 2004
Power Train

PROBLEMS WITH 2004 JAGUAR XJ8 TRANSMISSION.*MR TRANSMISSION FLUID WAS LEAKING DUE TO A FAULTY OUTPUT FLANGE AND SEAL. THE TRANSMISSION ALSO LEAKED. THE CONSUMER RESEARCHED THE NHTSA WEBSITE AND FOUND TWO RECALL. ONE WAS FOR THE AUTOMATIC TRANSMISSION AND THE OTHER ONE WAS FOR THE FRONTAL AIR BAGS. THE CONSUMER WOULD LIKE TO…

Read full complaint

PROBLEMS WITH 2004 JAGUAR XJ8 TRANSMISSION.*MR TRANSMISSION FLUID WAS LEAKING DUE TO A FAULTY OUTPUT FLANGE AND SEAL. THE TRANSMISSION ALSO LEAKED. THE CONSUMER RESEARCHED THE NHTSA WEBSITE AND FOUND TWO RECALL. ONE WAS FOR THE AUTOMATIC TRANSMISSION AND THE OTHER ONE WAS FOR THE FRONTAL AIR BAGS. THE CONSUMER WOULD LIKE TO KNOW IF HER VEHICLE IS PART OF OR POTENTIALLY COULD BE PART OF THE SAFETY RECALL. *NM

NHTSA ODI #10089122

Official recalls

0

No recalls in this snapshot.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.