What year Audi 90 Quattro is most reliable?

Based on MOT first-test pass rates, the 1986 Audi 90 Quattro has the highest pass rate at 100.0%, out of 364 vehicles tested.

What are the most common Audi 90 Quattro MOT failures?

The most common Audi 90 Quattro MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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Audi 90 Quattro — Reliability by Year

1,506 vehicles · MOT data 1985–1989 · first-test pass rates

This page shows MOT first-test pass rates for each year the Audi 90 Quattro 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 · 364 vehicles

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Lowest pass rate year

1988

71.4% pass rate · 379 vehicles

Year	Pass rate	Avg mileage	Vehicles
1989	—	—	251
1988	71.4%	155,602 mi	379
1987	—	—	127
1986	100.0%	155,563 mi	364
1985	100.0%	91,573 mi	385

Which year Audi 90 Quattro is most reliable?

MOT pass rate by year of manufacture — averaged across each vehicle's lifetime of tests.

Tests range from an average of 91,573 miles (newest year) to 155,602 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 Audi 90 Quattro.

See the buying guide →

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