What year Opel Manta is most reliable?

Based on MOT first-test pass rates, the 1982 Opel Manta has the highest pass rate at 79.6%, out of 117 vehicles tested.

What are the most common Opel Manta MOT failures?

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

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Opel Manta — Reliability by Year

2,055 vehicles · MOT data 1980–1988 · first-test pass rates

This page shows MOT first-test pass rates for each year the Opel Manta 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

1982

79.6% pass rate · 117 vehicles

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Lowest pass rate year

1983

72.1% pass rate · 262 vehicles

Year	Pass rate	Avg mileage	Vehicles
1988	75.0%	52,007 mi	185
1987	74.3%	54,503 mi	255
1986	73.2%	58,245 mi	274
1985	72.5%	57,900 mi	479
1984	77.6%	48,327 mi	350
1983	72.1%	44,423 mi	262
1982	79.6%	50,172 mi	117
1980	73.7%	55,018 mi	133

Which year Opel Manta is most reliable?

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

Tests range from an average of 44,423 miles (newest year) to 58,245 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 Opel Manta.

See the buying guide →

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