Is the Renault R21 reliable?

The Renault R21 has an average MOT pass rate of 92% across 2 years, based on 74 tests in 2026. That's 10 points above the national average of 82%. The most reliable year is 1990 with a 94% pass rate.

Which year Renault R21 is best?

The 1990 Renault R21 has the highest MOT pass rate at 94%, while the 1991 model has the lowest at 90%. There's a 4 percentage point spread between the best and worst years.

Renault R21

Reliability, running costs, and MOT data across 2 years from 74 real MOT tests.

Avg Pass Rate

92%

Total Tests

Best Year

1990 (94%)

Years Covered

About the Renault R21

The Renault R21 has been tested 74 times in 2026 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.