Fiat 500 Rockstar MHEV
Reliability, estimated running costs, and MOT data across 2 model years from 1,662 MOT tests in 2024.
Avg Pass Rate
92%
Total Tests
1,662
Highest Pass Rate
2021 (93%)
Years Covered
2
About the Fiat 500 Rockstar MHEV
The Fiat 500 Rockstar MHEV was MOT tested 1,662 times in 2024 (DVSA data, retests included) across 2 model years (2020 to 2021), with an average pass rate of 92%. 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 973 tests. The 2020 model has the lowest at 91%. With just a 2 point gap, pass rates are similar across these years. Newer cars usually pass more often simply because they are younger.
Mileage Across Years
The oldest model in our data (2020) averages 20,437 miles, while the newest (2021) averages 23,402 miles.
Compared to the Fiat brand average of 83%, the 500 Rockstar MHEV performs 9 points better, making it one of the more reliable options in the Fiat 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 Fiat 500 Rockstar MHEV?
Fiat 500 Rockstar MHEV by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Questions about the Fiat 500 Rockstar MHEV
Is the Fiat 500 Rockstar MHEV reliable?
Across its 2 model years in our data (2020 to 2021), the Fiat 500 Rockstar MHEV averages a 92% MOT pass rate, from 1,662 tests (DVSA MOT data for tests in 2024, retests included). That's 10 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 Fiat 500 Rockstar MHEV has the best MOT pass rate?
Of the years with at least 100 tests, the 2021 Fiat 500 Rockstar MHEV has the highest MOT pass rate at 93%, while the 2020 model has the lowest at 91%, a 2 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
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