Problems · NHTSA complaints
1999 Jaguar Vanden Plas problems
Owners filed 6 complaints about the 1999 Jaguar Vanden Plas with NHTSA between Mar 2003 and Jun 2017. The most-cited component is vehicle speed control (3).
Complaints
6
Filed with NHTSA
Crashes
1
Reported by owners
Fires
0
Reported by owners
Injuries
1
People reported injured
Deaths
0
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Vehicle speed control3
- Engine and engine cooling3
- Structure1
- Equipment1
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 Nov 12, 2026NHTSA vehicle page
When complaints were filed
Does it get worse with age? Complaints per calendar year filed
1
0
1
1
0
0
1
0
0
0
0
0
0
0
2
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 2003 | 1 |
| 2004 | 0 |
| 2005 | 1 |
| 2006 | 1 |
| 2007 | 0 |
| 2008 | 0 |
| 2009 | 1 |
| 2010 | 0 |
| 2011 | 0 |
| 2012 | 0 |
| 2013 | 0 |
| 2014 | 0 |
| 2015 | 0 |
| 2016 | 0 |
| 2017 | 2 |
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.
Top problems in owners’ words
Verbatim from NHTSA complaints, newest first
Vehicle speed control
3 reports1 crash
“1999 JAGUAR XJ8. CONSUMER WRITES IN REGARDS TO PEDAL BEING STUCK TO THE FLOOR WHEN TRYING TO ACCELERATE. *LD THE CONSUMER STATED WHILE DRIVING IN HEAVY TRAFFIC, THE GAS PEDAL STUCK TO THE FLOOR, ALMOST CAUSING AN ACCIDENT. THE CONSUMER HAD TO PHYSICALLY PULL THE GAS PEDAL UP. THE FAILURE WAS DUE TO AN INCORRECTLY INSTALLED STUD THAT WAS MISSING IT'S KICK DOWN STICK. THE MECHANIC ADVISED THE STUD WAS SUPPOSED TO HAVE A COVER ON IT AND THAT THE STUD WAS UNNECESSARY. THE MECHANIC OFFERED TO REMOVE THE STUD, THE CONSUMER DECLINED AND PLACED A PLASTIC BOTTLE CAP OVER THE STUD. *JS”
Engine and engine cooling
3 reports
“AT 37,092 THE THERMOSTAT FROZE, BLOWING THE RADIATOR HOSE. AT 52,058 ANOTHER THERMOSTAT FROZE, BLOWING THE RADIATOR. WAS TOLD BY JAGUAR SERVICE THAT THESE FREEZE, AND I SHOULD BRING MY JAGUAR IN EVERY 16,000 MILES JUST TO BE CERTAIN. WHEN RADIATOR HOSE BLOWS, NO TELLING WHERE WE MIGHT BE AND SITUATION COULD BE DANGEROUS. *NM”
Structure
1 report
Equipment
1 report
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 12, 2026
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.