Common Fiat 500 Problems, Faults, and Repair Costs
Every known Fiat 500 MOT issue, ranked by how common it is and what it costs to fix. Based on 574,863 real MOT tests across 15 model years.
Segment: small family car | Fuel: Petrol, Diesel
79%
Fiat 500 pass rate
83%
Fiat average
82%
National average
The Fiat 500 has an average MOT pass rate of 79%, which is 4 points below the Fiat average and 3 points below the national average. Newer FIAT 500s show better MOT pass rates than older ones, with an average improvement of 11 percentage points.
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Enter your reg plate to see the specific issues found on your car, plus a health score and running cost estimate.
Most Common Fiat 500 MOT Issues
Ranked by how likely they are to affect your Fiat 500, with typical repair costs
Brakes
High likelihood£80 - £450
Typical repair cost
Common advisories:
Brake discs worn, brake pads thin, handbrake adjustment needed
Failure points:
Brake disc excessively worn, brake pipe corroded, brake efficiency below minimum
Suspension
High likelihood£150 - £600
Typical repair cost
Common advisories:
Suspension arm bush worn, shock absorber misting, spring corroded
Failure points:
Coil spring broken, ball joint excessive play, shock absorber leaking
Lights
High likelihood£15 - £200
Typical repair cost
Common advisories:
Headlamp aim slightly out, lens deteriorated
Failure points:
Headlamp not working, brake light not functioning, indicator failure
Exhaust & Emissions
High likelihood£80 - £800
Typical repair cost
Common advisories:
Exhaust mounting corroded, slight exhaust leak
Failure points:
Exhaust emissions exceed limits, catalytic converter efficiency low, DPF warning
Steering
High likelihood£100 - £500
Typical repair cost
Common advisories:
Track rod end has slight play, steering rack boot deteriorated
Failure points:
Steering rack leaking, track rod ball joint worn beyond limits
Body & Structure
High likelihood£200 - £1200
Typical repair cost
Common advisories:
Surface corrosion on subframe, slight body panel damage
Failure points:
Structural corrosion, body mounting corroded through, chassis weakness
Tyres
Moderate likelihood£50 - £300
Typical repair cost
Common advisories:
Tyre approaching legal limit, slight damage to sidewall
Failure points:
Tyre below minimum tread depth, tyre has a cut exposing ply
Windscreen & Wipers
Lower likelihood£10 - £350
Typical repair cost
Common advisories:
Minor windscreen chip, wiper blade deteriorated
Failure points:
Windscreen crack in swept area, wiper does not clear windscreen
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Fiat 500 Reliability by Year
MOT pass rate for each model year, based on real test data
| Year | Fuel | Engine | Pass Rate | Fail Rate |
|---|---|---|---|---|
| 2021 | Petrol | 1.2L | 93% | 7% |
| 2020 | Petrol | 0.9L | 92% | 7% |
| 2019 | Petrol | 0.9L | 90% | 10% |
| 2018 | Petrol | 0.9L | 86% | 13% |
| 2017 | Diesel | 1.2L | 83% | 16% |
| 2016 | Diesel | 1.2L | 80% | 19% |
| 2015 | Petrol | 0.9L | 78% | 22% |
| 2014 | Diesel | 1.2L | 78% | 22% |
| 2013 | Diesel | 1.2L | 78% | 22% |
| 2012 | Diesel | 1.2L | 76% | 24% |
| 2011 | Petrol | 0.9L | 75% | 24% |
| 2010 | Diesel | 1.2L | 73% | 26% |
| 2009 | Diesel | 1.2L | 72% | 27% |
| 2008 | Diesel | 1.2L | 72% | 27% |
| 2007 | Diesel | 1.2L | 72% | 27% |
Fiat 500 Running Costs
Want to know the full annual running costs for the Fiat 500? Including fuel, tax, insurance, and predicted repairs based on MOT history.
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Fiat 500 FAQ
What are the most common Fiat 500 problems?
The most common Fiat 500 MOT problems are brakes, suspension, lights, exhaust & emissions, steering, body & structure issues. These are the areas most likely to cause advisories or failures during an MOT test, based on 574,863 real tests.
Is the Fiat 500 reliable?
The Fiat 500 has an average MOT pass rate of 79%, which is 3 points below the national average of 82%. This is about average reliability.
Which year Fiat 500 is most reliable?
The 2021 Fiat 500 is the most reliable year with a 93% MOT pass rate. Avoid the 2007 model year if reliability is your priority, as it has the lowest pass rate at 72%.
How much does it cost to fix common Fiat 500 faults?
Repair costs vary by issue. Brake work on a Fiat 500 typically costs £80-£450, suspension repairs cost £150-£600, and exhaust/emissions fixes cost £80-£800. Lighting and wiper fixes are usually under £200.
Check a Specific Fiat 500
Enter any reg plate to see the exact MOT history, defects found, health score, and running cost estimate for that specific car.
Other Fiat Models
Common problems pages for other Fiat models