Fiat 500X

Reliability, estimated running costs, and MOT data across 7 model years from 59,593 MOT tests in 2024.

Avg Pass Rate

87%

Total Tests

59,593

Highest Pass Rate

2020 (92%)

Years Covered

About the Fiat 500X

The Fiat 500X was MOT tested 59,593 times in 2024 (DVSA data, retests included) across 7 model years (2015 to 2021), with an average pass rate of 87%. That's slightly 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 2020 model has the highest pass rate at 92% from 2,462 tests. The 2015 model has the lowest at 80%. The 12 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 Fiat 500Xs 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 (2015) averages 65,204 miles, while the newest (2021) averages 29,656 miles.

Compared to the Fiat brand average of 83%, the 500X performs 4 points better, making it one of the more reliable options in the Fiat range.

Estimated Running Costs

Fuel (Petrol, 999cc)

£1,175

Road Tax

£200

MOT Test

£55

Predicted Repairs

£200

Total per year£1,630

Per month£136/mo

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 details

How reliable is the Fiat 500X?

vs average of all models+5% (82% avg)

vs Fiat brand average+4% (83% avg)

Best to worst year spread12 percentage points

Reliability trendImproving over years

Fiat 500X by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

Year	Pass Rate	Tests	Avg Mileage
2021	91%	1,392	29,656 mi
2020	92%	2,462	27,483 mi
2019	91%	5,096	34,895 mi
2018	87%	4,809	40,545 mi
2017	84%	8,169	50,400 mi
2016	82%	24,534	58,675 mi
2015	80%	13,131	65,204 mi

Questions about the Fiat 500X

Is the Fiat 500X reliable?

Across its 7 model years in our data (2015 to 2021), the Fiat 500X averages an 87% MOT pass rate, from 59,593 tests (DVSA MOT data for tests in 2024, retests included). That's 5 points above the average of 82% across all models in the same data. The 2020 model has the highest pass rate of the years with at least 100 tests, at 92%.

Which year Fiat 500X has the best MOT pass rate?

Of the years with at least 100 tests, the 2020 Fiat 500X has the highest MOT pass rate at 92%, while the 2015 model has the lowest at 80%, a 12 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.