Ford Sierra Sapphire
Reliability, estimated running costs, and MOT data across 4 model years from 616 MOT tests in 2024.
Avg Pass Rate
88%
Total Tests
616
Highest Pass Rate
1990 (96%)
Years Covered
4
About the Ford Sierra Sapphire
The Ford Sierra Sapphire was MOT tested 616 times in 2024 (DVSA data, retests included) across 4 model years (1990 to 1993), with an average pass rate of 88%. That's comfortably above the average of 82% across all models in our data. Our records list petrol versions.
Best and Worst Years
Of the years with at least 100 tests, the 1990 model has the highest pass rate at 96% from 238 tests. The 1992 model has the lowest at 87%. The 9 point gap means pass rates vary somewhat between years, but no year is dramatically different. Newer cars usually pass more often simply because they are younger.
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, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), 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.
Questions about the Ford Sierra Sapphire
Is the Ford Sierra Sapphire reliable?
Across its 4 model years in our data (1990 to 1993), the Ford Sierra Sapphire averages an 88% MOT pass rate, from 616 tests (DVSA MOT data for tests in 2024, retests included). That's 6 points above the average of 82% across all models in the same data. The 1990 model has the highest pass rate of the years with at least 100 tests, at 96%.
Which year Ford Sierra Sapphire has the best MOT pass rate?
Of the years with at least 100 tests, the 1990 Ford Sierra Sapphire has the highest MOT pass rate at 96%, while the 1992 model has the lowest at 87%, a 9 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
Are newer Ford Sierra Sapphires more reliable?
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.
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