Ford Sierra sapphire
Reliability, running costs, and MOT data across 4 years from 616 real MOT tests.
Avg Pass Rate
88%
Total Tests
616
Best Year
1990 (96%)
Years Covered
4
About the Ford Sierra sapphire
The Ford Sierra sapphire has been tested 616 times in 2026 MOT data across 4 model years (1990 to 1993), with an average pass rate of 88%. 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 96% pass rate from 238 tests. The 1993 model has the lowest at 76%. With a 20 point spread, choosing the right year makes a big difference to reliability.
Reliability Trend
Older FORD SIERRA SAPPHIREs tend to have better MOT pass rates than newer ones, with an average decline of 7 percentage points across model years.
Mileage Across Years
The oldest model in our data (1990) averages 49,400 miles, while the newest (1993) averages 48,711 miles.
Estimated Running Costs
Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.
Full 1993 detailsHow reliable is the Ford Sierra sapphire?
Ford Sierra sapphire by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
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