Fiat 500 Lounge MHEV
Reliability, estimated running costs, and MOT data across 2 model years from 11,147 MOT tests in 2024.
Avg Pass Rate
93%
Total Tests
11,147
Highest Pass Rate
2021 (93%)
Years Covered
2
About the Fiat 500 Lounge MHEV
The Fiat 500 Lounge MHEV was MOT tested 11,147 times in 2024 (DVSA data, retests included) across 2 model years (2020 to 2021), with an average pass rate of 93%. 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 5,546 tests. The 2020 model has the lowest at 92%. With just a 1 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 20,652 miles, while the newest (2021) averages 20,085 miles.
Compared to the Fiat brand average of 83%, the 500 Lounge MHEV performs 10 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 Lounge MHEV?
Fiat 500 Lounge MHEV by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Questions about the Fiat 500 Lounge MHEV
Is the Fiat 500 Lounge MHEV reliable?
Across its 2 model years in our data (2020 to 2021), the Fiat 500 Lounge MHEV averages a 93% MOT pass rate, from 11,147 tests (DVSA MOT data for tests in 2024, retests included). That's 11 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 Lounge MHEV has the best MOT pass rate?
Of the years with at least 100 tests, the 2021 Fiat 500 Lounge MHEV has the highest MOT pass rate at 93%, while the 2020 model has the lowest at 92%, a 1 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
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