Jaguar Xjs
Reliability, running costs, and MOT data across 7 years from 5,575 real MOT tests.
Avg Pass Rate
84%
Total Tests
5,575
Best Year
1995 (89%)
Years Covered
7
How reliable is the Jaguar Xjs?
Jaguar Xjs by Year
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About the Jaguar Xjs
The Jaguar Xjs has been tested 5,575 times in 2024 MOT data across 7 model years (1990 to 1996), with an average pass rate of 84%. That's slightly above the national average of 82%. Available as petrol.
Best and Worst Years
The 1995 model is the most reliable with a 89% pass rate from 945 tests. The 1992 model has the lowest at 78%. The 11 point spread between years means reliability varies somewhat, but no year is dramatically different.
Reliability Trend
Newer JAGUAR XJSs show better MOT pass rates than older ones, with an average improvement of 4 percentage points.
Mileage Across Years
The oldest model in our data (1990) averages 80,247 miles, while the newest (1996) averages 88,555 miles.
Compared to the Jaguar brand average of 88%, the Xjs is 4 points lower, placing it among the less reliable Jaguar models.
Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.