Renault R21
Reliability, running costs, and MOT data across 2 years from 74 real MOT tests.
Avg Pass Rate
92%
Total Tests
74
Best Year
1990 (94%)
Years Covered
2
How reliable is the Renault R21?
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About the Renault R21
The Renault R21 has been tested 74 times in 2024 MOT data across 2 model years (1990 to 1991), with an average pass rate of 92%. That's comfortably above the national average of 82%, making it a reliable choice. Available as petrol.
Best and Worst Years
The 1990 model is the most reliable with a 94% pass rate from 34 tests. The 1991 model has the lowest at 90%. With just a 4 point spread, the R21 is consistently reliable regardless of year.
Mileage Across Years
The oldest model in our data (1990) averages 111,405 miles, while the newest (1991) averages 85,393 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.
Compared to the Renault brand average of 80%, the R21 performs 12 points better, making it one of the more reliable options in the Renault range.
Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.