Jaguar Xj
Reliability, running costs, and MOT data across 31 years from 56,532 real MOT tests.
Avg Pass Rate
84%
Total Tests
56,532
Best Year
2019 (94%)
Years Covered
31
How reliable is the Jaguar Xj?
Jaguar Xj by Year
| Year | Pass Rate | Tests | Avg Mileage |
|---|---|---|---|
| 2020 | 92% | 411 | 32,227 mi |
| 2019 | 94% | 1,023 | 35,571 mi |
| 2018 | 93% | 1,682 | 44,709 mi |
| 2017 | 93% | 2,143 | 54,518 mi |
| 2016 | 91% | 2,811 | 64,986 mi |
| 2015 | 91% | 2,316 | 67,462 mi |
| 2014 | 89% | 2,511 | 81,854 mi |
| 2013 | 87% | 2,758 | 93,880 mi |
| 2012 | 89% | 2,482 | 93,337 mi |
| 2011 | 84% | 4,043 | 100,648 mi |
| 2010 | 84% | 3,442 | 107,407 mi |
| 2009 | 85% | 1,332 | 97,971 mi |
| 2008 | 82% | 2,030 | 101,627 mi |
| 2007 | 82% | 2,721 | 103,444 mi |
| 2006 | 82% | 2,874 | 103,550 mi |
| 2005 | 80% | 2,105 | 106,159 mi |
| 2004 | 78% | 3,267 | 108,216 mi |
| 2003 | 81% | 3,134 | 110,063 mi |
| 2002 | 77% | 955 | 92,681 mi |
| 2001 | 79% | 972 | 91,862 mi |
| 2000 | 78% | 888 | 90,401 mi |
| 1999 | 77% | 1,298 | 91,922 mi |
| 1998 | 77% | 2,154 | 92,573 mi |
| 1997 | 80% | 2,029 | 105,434 mi |
| 1996 | 82% | 1,861 | 104,724 mi |
| 1995 | 79% | 1,401 | 101,040 mi |
| 1994 | 86% | 635 | 87,486 mi |
| 1993 | 82% | 401 | 88,629 mi |
| 1992 | 82% | 328 | 89,641 mi |
| 1991 | 82% | 243 | 95,193 mi |
| 1990 | 86% | 282 | 83,101 mi |
Checking a specific Jaguar Xj?
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About the Jaguar Xj
The Jaguar Xj has been tested 56,532 times in 2024 MOT data across 31 model years (1990 to 2020), with an average pass rate of 84%. That's slightly above the national average of 82%. Available as diesel and petrol.
Best and Worst Years
The 2019 model is the most reliable with a 94% pass rate from 1,023 tests. The 1998 model has the lowest at 77%. With a 17 point spread, choosing the right year makes a big difference to reliability.
Reliability Trend
Newer JAGUAR XJs show better MOT pass rates than older ones, with an average improvement of 7 percentage points.
Mileage Across Years
The oldest model in our data (1990) averages 83,101 miles, while the newest (2020) averages 32,227 miles.
Compared to the Jaguar brand average of 88%, the Xj 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.