Fiat 500 Star MHEV (2021)

1,081 real MOT outcomes analysed • 90.1% first-time pass rate

2021 Fiat 500 Star MHEV

CarHunch analysed 1,081 real MOT records for the 2021 Fiat 500 Star MHEV. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.

The 2021 FIAT 500 STAR MHEV is a reliably built small car, with a 90.1% first-time MOT pass rate that comfortably beats the UK average of 80%. Only 11.7% of vehicles have ever suffered a dangerous defect, which is well below the threshold for genuine concern.

At just under 22,000 miles on average, these cars are still relatively young and lightly used, and the data bears that out—owners are averaging only 0.26 failures per vehicle and 1.4 advisories, suggesting the hybrid drivetrain is holding up well. If you're considering one, check the service history carefully and budget for any deferred maintenance, but this cohort shows no structural reliability red flags.

Generally reliable 10.1% above UK average
90.1%
pass MOT first time
UK average: ~80%
19,882
typical mileage
12,757–30,848 middle half
11.7%
ever had a dangerous defect
recorded at any MOT
0.26
avg MOT failures per car
over 2.3 tests on record

What to check before buying a 2021 Fiat 500 Star MHEV

Practical pre-purchase checks for this age and model.

  • 📋 Check the full MOT history. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. Enter the reg below for a full AI analysis.
  • 🔍 Inspect for corrosion in person. Brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that's expensive to fix and can fail an MOT.
  • 🛞 Check tyres and brakes. The most common advisory items at this age. Budget for replacement if they're near the limit — factor this into your offer price.
  • 📄 Run an HPI check. The MOT history won't show outstanding finance, insurance write-offs, or stolen status — an HPI check will.

Before you buy a Fiat 500 Star MHEV

MOT history is one piece of the puzzle. These checks can reveal what CarHunch can't.

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Pass Rate by Fuel Type

Fuel type Vehicles Pass rate Avg failures
Petrol (96%) 1,040 89.9% 0.26
Other (2%) 26 98.1% 0.04
Hybrid Electric (Clean) (1%) 15 93.4% 0.27

Mileage Distribution

Most 2021 Fiat 500 Star MHEV vehicles sit in the blue band. If the car you're looking at is outside it, it's either unusually low or high mileage for its age.

12,757
low mileage
19,882
typical
30,848
high mileage

Half of all 2021 Fiat 500 Star MHEV vehicles fall between 12,757 and 30,848 miles.

MOT History Averages

2.3
Avg MOT tests per vehicle
0.26
Avg failures per vehicle
1.4
Avg advisories per vehicle

Found a specific Fiat 500 Star MHEV?

Enter the reg to see its individual MOT history, AI Hunches, and how it compares to this cohort.

UK

Other model years — Fiat 500 Star MHEV:

2020