What year Jaguar Sovereign V12 Auto is most reliable?

Based on MOT first-test pass rates, the 1989 Jaguar Sovereign V12 Auto has the highest pass rate at 100.0%, out of 123 vehicles tested.

What are the most common Jaguar Sovereign V12 Auto MOT failures?

The most common Jaguar Sovereign V12 Auto MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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Jaguar Sovereign V12 Auto — Reliability by Year

906 vehicles · MOT data 1986–1989 · first-test pass rates

This page shows MOT first-test pass rates for each year the Jaguar Sovereign V12 Auto was manufactured — click any year to explore that cohort in detail. Trying to decide which year to buy? See the full buying guide →

Year	Pass rate	Avg mileage	Vehicles
1989	100.0%	100,730 mi	123
1988	—	—	204
1987	—	—	226
1986	—	—	353

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