What year Audi 100 is most reliable?

Based on MOT first-test pass rates, the 1984 Audi 100 has the highest pass rate at 70.3%, out of 1,093 vehicles tested.

What are the most common Audi 100 MOT failures?

The most common Audi 100 MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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Audi 100 — Reliability by Year

13,779 vehicles · MOT data 1983–1994 · first-test pass rates

This page shows MOT first-test pass rates for each year the Audi 100 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

1984

70.3% pass rate · 1,093 vehicles

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Lowest pass rate year

1989

64.4% pass rate · 1,028 vehicles

Year	Pass rate	Avg mileage	Vehicles
1994	67.2%	143,958 mi	2,061
1993	66.7%	149,144 mi	2,233
1992	65.2%	143,600 mi	2,097
1991	67.9%	137,194 mi	1,029
1990	66.6%	136,414 mi	772
1989	64.4%	141,766 mi	1,028
1988	68.7%	137,995 mi	844
1987	65.8%	139,476 mi	450
1986	67.0%	135,320 mi	803
1985	70.1%	131,331 mi	1,165
1984	70.3%	131,638 mi	1,093
1983	69.0%	109,836 mi	204

Which year Audi 100 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 109,836 miles (newest year) to 149,144 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 100.

See the buying guide →

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