What year Jaguar Xj6 is most reliable?

Based on MOT first-test pass rates, the 1986 Jaguar Xj6 has the highest pass rate at 100.0%, out of 107 vehicles tested.

What are the most common Jaguar Xj6 MOT failures?

The most common Jaguar Xj6 MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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Jaguar Xj6 — Reliability by Year

4,535 vehicles · MOT data 1986–1990 · first-test pass rates

This page shows MOT first-test pass rates for each year the Jaguar Xj6 was manufactured — click any year to explore that cohort in detail. Trying to decide which year to buy? See the full buying guide →

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Best pass rate year

1986

100.0% pass rate · 107 vehicles

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Lowest pass rate year

1989

62.5% pass rate · 2,149 vehicles

Year	Pass rate	Avg mileage	Vehicles
1990	—	—	219
1989	62.5%	67,398 mi	2,149
1988	—	—	1,409
1987	—	—	651
1986	100.0%	951 mi	107

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