What year Jaguar Sovereign is most reliable?

Based on MOT first-test pass rates, the 2000 Jaguar Sovereign has the highest pass rate at 79.3%, out of 151 vehicles tested.

What are the most common Jaguar Sovereign MOT failures?

The most common Jaguar Sovereign 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 — Reliability by Year

2,116 vehicles · MOT data 1984–2000 · first-test pass rates

This page shows MOT first-test pass rates for each year the Jaguar Sovereign 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

2000

79.3% pass rate · 151 vehicles

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Lowest pass rate year

1987

66.2% pass rate · 105 vehicles

Year	Pass rate	Avg mileage	Vehicles
2000	79.3%	93,842 mi	151
1999	77.2%	88,672 mi	204
1998	75.0%	97,551 mi	279
1996	76.9%	125,269 mi	106
1993	70.4%	114,442 mi	111
1992	73.1%	119,177 mi	151
1991	68.4%	121,868 mi	144
1990	69.3%	108,045 mi	127
1989	75.8%	84,938 mi	107
1988	73.2%	89,810 mi	131
1987	66.2%	67,907 mi	105
1986	68.9%	88,217 mi	162
1985	71.6%	85,634 mi	216
1984	73.0%	85,379 mi	122

Which year Jaguar Sovereign is most reliable?

MOT pass rate by year of manufacture — averaged across each vehicle's lifetime of tests. Green = noticeably above average for this model; red = noticeably below average.

Tests range from an average of 67,907 miles (newest year) to 125,269 miles (oldest year). Older years naturally accumulate more tests at higher mileages — see the mileage-normalised breakdown →

Trying to decide which year to buy?

We've done the full analysis — which years to look for, which to avoid, and where to find the best value for reliability on a Jaguar Sovereign.

See the buying guide →

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Check any UK registration — free MOT history and risk insights.