Jaguar XK8
Reliability, estimated running costs, and MOT data across 13 model years from 15,683 MOT tests in 2024.
Avg Pass Rate
81%
Total Tests
15,683
Highest Pass Rate
2005 (84%)
Years Covered
13
About the Jaguar XK8
The Jaguar XK8 was MOT tested 15,683 times in 2024 (DVSA data, retests included) across 13 model years (1996 to 2008), with an average pass rate of 81%. That's close to the average of 82% across all models in our data. Our records list petrol versions.
Best and Worst Years
Of the years with at least 100 tests, the 2005 model has the highest pass rate at 84% from 1,035 tests. The 2000 model has the lowest at 76%. The 8 point gap means pass rates vary somewhat between years, but no year is dramatically different. Newer cars usually pass more often simply because they are younger.
Reliability Trend
The Jaguar XK8 has maintained consistent MOT pass rates across model years, varying by only 1 percentage point.
Mileage Across Years
The oldest model in our data (1996) averages 94,875 miles, while the newest (2008) averages 74,178 miles.
Compared to the Jaguar brand average of 88%, the XK8 is 7 points lower, placing it among the less reliable Jaguar models.
Estimated Running Costs
Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.
Full 2008 detailsHow reliable is the Jaguar XK8?
Jaguar XK8 by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Questions about the Jaguar XK8
Is the Jaguar XK8 reliable?
Across its 13 model years in our data (1996 to 2008), the Jaguar XK8 averages an 81% MOT pass rate, from 15,683 tests (DVSA MOT data for tests in 2024, retests included). That's 1 point below the average of 82% across all models in the same data. The 2005 model has the highest pass rate of the years with at least 100 tests, at 84%.
Which year Jaguar XK8 has the best MOT pass rate?
Of the years with at least 100 tests, the 2005 Jaguar XK8 has the highest MOT pass rate at 84%, while the 2000 model has the lowest at 76%, a 8 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
Are newer Jaguar XK8s more reliable?
The Jaguar XK8 has maintained consistent MOT pass rates across model years, varying by only 1 percentage point.
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