Fiat 500 Hey Google MHEV MOT Pass Rates and Running Costs by Year

Reliability, estimated running costs, and MOT data across 2 model years from 384 MOT tests in 2024.

Avg Pass Rate

98%

Total Tests

384

Model Years

2021 to 2022

Years Covered

About the Fiat 500 Hey Google MHEV

The Fiat 500 Hey Google MHEV was MOT tested 384 times in 2024 (DVSA data, retests included) across 2 model years (2021 to 2022), with an average pass rate of 98%. That's comfortably above the average of 82% across all models in our data. Our records list petrol versions.

Mileage Across Years

The oldest model in our data (2021) averages 18,396 miles, while the newest (2022) averages 18,889 miles.

Compared to the Fiat brand average of 83%, the 500 Hey Google MHEV performs 15 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 2022 details

How reliable is the Fiat 500 Hey Google MHEV?

vs average of all models+16% (82% avg)

vs Fiat brand average+15% (83% avg)

Fiat 500 Hey Google MHEV by Year

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

Year	Pass Rate	Tests	Avg Mileage
2022	98%	55	18,889 mi
2021	97%	329	18,396 mi

Questions about the Fiat 500 Hey Google MHEV

Is the Fiat 500 Hey Google MHEV reliable?

Across its 2 model years in our data (2021 to 2022), the Fiat 500 Hey Google MHEV averages a 98% MOT pass rate, from 384 tests (DVSA MOT data for tests in 2024, retests included). That's 16 points above the average of 82% across all models in the same data.