Fiat Reliability UK 2026
How reliable is a Fiat? Here’s a data-led reliability profile based on first-time MOT pass rates, model-level breakdown, top failure categories, and a buyer’s verdict.
Fiat reliability snapshot: first-time MOT pass rate 75.3% (+11.3 pp vs the UK average of 64%). Across 10 Fiat models, the typical dangerous-defect rate is 2.06% and the average retest rate is 15.5%. Fiat ranks below the UK average on first-time MOT pass rate. That doesn't make every example unreliable — a well-kept Fiat can outperform a neglected premium car — but it raises the importance of checking the specific car's MOT history before purchase.
Fiat first-time MOT pass rate
75.3%
Implied failure rate: 24.7% · UK average pass rate: 64%
+11.3 pp
2.06%
15.5%
How Fiat compares to the UK average
The UK national first-time MOT pass rate is 64%, with about 36% of cars failing on the first attempt.Fiat’s pass rate of 75.3% is 11.3 percentage points above that benchmark. That ’s a brand-average figure — individual Fiat models range from the high 60s to above 90%, so model and age matter more than the badge.
Most reliable Fiat models
Ranked by first-time MOT pass rate across our reliability dataset. Restricted to models with meaningful sample size.
Most problematic Fiat models
The Fiat models in our dataset with the lowest first-time MOT pass rates. A low pass rate doesn’t mean a bad car — older platforms naturally accumulate wear faster — but it does mean a pre-purchase MOT history check is essential.
Run a free MOT check on a specific Fiat
Brand averages set expectations — a single car’s history is what actually decides whether it’s worth buying.
Free instant MOT history check at /free-mot-check.
Top MOT failure categories for Fiat
Aggregated across 10 Fiat models in our dataset, weighted by sample size.
Lamps, reflectors and electrical equipment
Suspension
Brakes
Tyres
Exhaust, fuel and emissions
Related reading
Fiat MOT check
Per-model pass rates and free registration lookup.
Fiat MOT failure rate
Headline pass/fail rate against the UK average.
Fiat common faults
Detailed fault list and indicative repair costs.
Fiat pass rate 2025
Most-recent year-keyed pass rate analysis.
Vauxhall reliability
Brand often cross-shopped against Fiat.
Dodge reliability
Brand often cross-shopped against Fiat.
Land Rover reliability
Brand often cross-shopped against Fiat.
Fiat reliability — FAQ
Is Fiat a reliable car brand in the UK?
What is the most reliable Fiat model for MOT?
Which Fiat models fail their MOT most often?
What are the most common MOT failures on a Fiat?
Check a Fiat’s MOT history
Free, instant, no signup. Every test result, advisory, and mileage reading since 2005.
Source: MOT Checkup analysis of DVSA MOT test data. Brand-average pass rate is sample-size weighted across 10 Fiat models in our dataset. Individual cars vary considerably — always check the specific registration’s MOT history before buying.