JAGUAR XJ (2015)
Running costs, common problems, and reliability data based on 2,316 real MOT tests in 2024.
MOT Pass Rate
91%
Total Tests (2024)
2,316
Avg Mileage
67,462 mi
Est. Annual Cost
£1,750
Is the 2015 JAGUAR XJ reliable?
Excellent reliability. Very few MOT failures. That's 9 points above the national average of 82%.
At 9 years old, 91% of JAGUAR XJs from 2015 passed their MOT first time in 2024. That's based on 2,316 tests across the UK. The average mileage at this age is 67,462 miles.
How does the 2015 JAGUAR XJ compare?
Mileage Analysis
The average 2015 JAGUAR XJ has 67,462 miles on the clock, which is in line with the expected 66,600 miles for a 9-year-old car, suggesting normal everyday use.
Best year to buy a JAGUAR XJ?
The most reliable year is the 2019 model with a 94% MOT pass rate, while the 2002 model has the lowest at 77%. The 2015 sits between the two at 91%.
How much does a 2015 JAGUAR XJ cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
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?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2015 JAGUAR XJ
The 2015 JAGUAR XJ is a premium performance with a 2993cc diesel engine. 2,316 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. It ranks in the top 25% of all 2015 cars for reliability.
With an average of 67,462 miles at 9 years old, JAGUAR XJ owners drive about as much as the UK average.
2015 JAGUAR XJ Fuel Costs
The 2993cc diesel engine is on the larger side, so fuel won't be this car's strong point. Expect around 40 mpg in mixed driving, which works out to roughly £1,245 per year at current diesel prices of 148p per litre (based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.
What does it cost to own a 2015 JAGUAR XJ?
Total estimated annual running cost is £1,750 (£146/month), broken down as £1245 fuel, £250 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 91% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
JAGUAR XJ Reliability Trend
Newer JAGUAR XJs show better MOT pass rates than older ones, with an average improvement of 7 percentage points.
Buying a Used 2015 JAGUAR XJ
At 9 years old, this is a solid used buy if you find one with good service history. Depreciation has levelled off, so you won't lose much more value. Focus on condition over mileage. If you're flexible on year, the 2019 model has the highest pass rate at 94%.
Alternatives to the 2015 JAGUAR XJ
The JAGUAR XJ is actually the most reliable option among similar diesel premium performances from this era. Here are comparable diesel cars with similar engines:
- AUDI A5 (2017) 89% pass rate (-2%) from 33,531 tests
- MERCEDES GLC (2017) 90% pass rate (-1%) from 28,866 tests
- LAND ROVER RANGE ROVER (2013) 88% pass rate (-3%) from 27,426 tests
- JAGUAR XF (2014) 84% pass rate (-7%) from 26,866 tests