FIAT 500 (2020)
Running costs, common problems, and reliability data based on 7,732 real MOT tests in 2024.
MOT Pass Rate
92%
Total Tests (2024)
7,732
Avg Mileage
23,865 mi
Est. Annual Cost
£1,400
Is the 2020 FIAT 500 reliable?
Excellent reliability. Very few MOT failures. That's 10 points above the national average of 82%. It also outperforms the FIAT brand average of 83%.
At 4 years old, 92% of FIAT 500s from 2020 passed their MOT first time in 2024. That's based on 7,732 tests across the UK. The average mileage at this age is 23,865 miles.
How does the 2020 FIAT 500 compare?
Mileage Analysis
The average 2020 FIAT 500 has 23,865 miles on the clock, which is in line with the expected 29,600 miles for a 4-year-old car, suggesting normal everyday use.
Best year to buy a FIAT 500?
The most reliable year is the 2021 model with a 93% MOT pass rate, while the 2007 model has the lowest at 72%. The 2020 sits between the two at 92%.
How much does a 2020 FIAT 500 cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
FIAT 500 by Year
| Year | Pass Rate | Tests | Avg Mileage |
|---|---|---|---|
| 2021 | 93% | 195 | 18,379 mi |
| 2020 | 92% | 7,732 | 23,865 mi |
| 2019 | 90% | 31,868 | 27,173 mi |
| 2018 | 86% | 40,756 | 33,498 mi |
| 2017 | 83% | 39,899 | 40,199 mi |
| 2016 | 80% | 56,821 | 45,258 mi |
| 2015 | 78% | 69,392 | 51,933 mi |
| 2014 | 78% | 73,839 | 58,446 mi |
| 2013 | 78% | 63,361 | 63,074 mi |
| 2012 | 76% | 51,956 | 68,150 mi |
| 2011 | 75% | 36,701 | 72,823 mi |
| 2010 | 73% | 39,852 | 77,223 mi |
| 2009 | 72% | 38,991 | 82,820 mi |
| 2008 | 72% | 23,228 | 86,722 mi |
| 2007 | 72% | 241 | 89,332 mi |
| 2001 | 81% | 31 | 34,363 mi |
Checking a specific FIAT 500?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2020 FIAT 500
The 2020 FIAT 500 is a city car with a 875cc petrol engine. 7,732 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. Among all cars from 2020, the average MOT pass rate is 92%, and this model falls short of that benchmark.
With an average of 23,865 miles at 4 years old, FIAT 500 owners drive about as much as the UK average.
2020 FIAT 500 Fuel Costs
The modest 875cc petrol engine keeps fuel costs low, which is a real advantage for a city car. Expect around 50 mpg in mixed driving, which works out to roughly £955 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2020 FIAT 500?
Total estimated annual running cost is £1,400 (£117/month), broken down as £955 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 92% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
FIAT 500 Reliability Trend
Newer FIAT 500s show better MOT pass rates than older ones, with an average improvement of 11 percentage points.
Buying a Used 2020 FIAT 500
At 4 years old, the FIAT 500 offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. If you're flexible on year, the 2021 model has the highest pass rate at 93%. With 7,732 MOT tests in our data, there's strong statistical confidence in these figures.
Alternatives to the 2020 FIAT 500
The FIAT 500 is actually the most reliable option among similar petrol city cars from this era. Here are comparable petrol cars with similar engines:
- FORD FIESTA (2018) 90% pass rate (-2%) from 157,746 tests
- NISSAN QASHQAI (2018) 87% pass rate (-5%) from 78,522 tests
- AUDI A3 (2018) 92% pass rate (same) from 54,110 tests
- VAUXHALL MOKKA (2018) 84% pass rate (-8%) from 53,382 tests