Ford Fiesta ST-Line Edition Turbo
Reliability, estimated running costs, and MOT data across 3 model years from 19,795 MOT tests in 2024.
Avg Pass Rate
90%
Total Tests
19,795
Highest Pass Rate
2021 (93%)
Years Covered
3
About the Ford Fiesta ST-Line Edition Turbo
The Ford Fiesta ST-Line Edition Turbo was MOT tested 19,795 times in 2024 (DVSA data, retests included) across 3 model years (2019 to 2021), with an average pass rate of 90%. 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 2021 model has the highest pass rate at 93% from 7,427 tests. The 2019 model has the lowest at 85%. The 8 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
Newer Ford Fiesta ST-Line Edition Turbos pass their MOT more often than older ones, by 8 percentage points on average, which is mostly down to age and wear.
Mileage Across Years
The oldest model in our data (2019) averages 35,700 miles, while the newest (2021) averages 23,328 miles.
Compared to the Ford brand average of 85%, the Fiesta ST-Line Edition Turbo performs 5 points better, making it one of the more reliable options in the Ford range.
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 2021 detailsHow reliable is the Ford Fiesta ST-Line Edition Turbo?
Ford Fiesta ST-Line Edition Turbo by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Questions about the Ford Fiesta ST-Line Edition Turbo
Is the Ford Fiesta ST-Line Edition Turbo reliable?
Across its 3 model years in our data (2019 to 2021), the Ford Fiesta ST-Line Edition Turbo averages a 90% MOT pass rate, from 19,795 tests (DVSA MOT data for tests in 2024, retests included). That's 8 points above the average of 82% across all models in the same data. The 2021 model has the highest pass rate of the years with at least 100 tests, at 93%.
Which year Ford Fiesta ST-Line Edition Turbo has the best MOT pass rate?
Of the years with at least 100 tests, the 2021 Ford Fiesta ST-Line Edition Turbo has the highest MOT pass rate at 93%, while the 2019 model has the lowest at 85%, a 8 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
Are newer Ford Fiesta ST-Line Edition Turbos more reliable?
Newer Ford Fiesta ST-Line Edition Turbos pass their MOT more often than older ones, by 8 percentage points on average, which is mostly down to age and wear.
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