What year Renault 18 GTS is most reliable?

Based on MOT first-test pass rates, the 1985 Renault 18 GTS has the highest pass rate at 100.0%, out of 1,620 vehicles tested.

What are the most common Renault 18 GTS MOT failures?

The most common Renault 18 GTS 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 GTS — Reliability by Year

9,903 vehicles · MOT data 1980–1986 · first-test pass rates

This page shows MOT first-test pass rates for each year the Renault 18 GTS was manufactured — click any year to explore that cohort in detail. Trying to decide which year to buy? See the full buying guide →

Year	Pass rate	Avg mileage	Vehicles
1986	—	—	776
1985	100.0%	91,900 mi	1,620
1984	—	—	1,079
1981	—	—	1,945
1980	—	—	4,483

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