What year Renault 18 Ts is most reliable?

Based on MOT first-test pass rates, the 1984 Renault 18 Ts has the highest pass rate at 100.0%, out of 1,904 vehicles tested.

What are the most common Renault 18 Ts MOT failures?

The most common Renault 18 Ts MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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Renault 18 Ts — Reliability by Year

27,413 vehicles · MOT data 1980–1986 · first-test pass rates

This page shows MOT first-test pass rates for each year the Renault 18 Ts 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

100.0% pass rate · 1,904 vehicles

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Lowest pass rate year

1985

80.0% pass rate · 1,774 vehicles

Year	Pass rate	Avg mileage	Vehicles
1986	—	—	894
1985	80.0%	40,523 mi	1,774
1984	100.0%	76,314 mi	1,904
1983	—	—	2,314
1982	—	—	2,514
1981	—	—	5,897
1980	—	—	12,116

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