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Fiat Fiorino exhaust, emissions and leaks problems

DVSA MOT tests 2022–2025 · 3,632 MOT tests · Updated

At 11 years, 6.2 in 100 MOT tests of the Fiat Fiorino failed on exhaust, emissions and leaks, against 3.2 for all class 4 vehicles the same age (all test years; 3,632 MOT tests) [1].

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  • Against all class 4 vehicles the same age: fails 1.7–2.2× as often as all class 4 vehicles the same age (all test years), 224 MOT tests with a fail
  • When it starts: clear of 1.2 times from 3 years and at every older age seen
  • Most common fail: Malfunction indicator lamp: inoperative or indicates a malfunction, 2.2 per 100 MOT tests

Figures are for the model as a whole, not for one car.

What the MOT tests show

What we know

6.2 fails per 100 MOT tests at 11 years, against 3.2 for all class 4 vehicles tested at 11 (all test years). The Fiat Fiorino fails more often here.

Why it matters

An exhaust, emissions and leaks fail stops the car passing until it is fixed; the most common one is rated major by DVSA.

What to check

Start the car from cold and look for smoke at the exhaust, listen for blowing joints, and look under the engine and gearbox for fresh oil or fluid drips.

The Fiat Fiorino is a commercial or van-based vehicle: it is compared with all class 4 vehicles, cars and vans together, so part of any difference can come from how vans are used.

Fiat Fiorino exhaust, emissions and leaks fails by age

Fiat Fiorino exhaust, emissions and leaks fails per 100 MOT tests by ageSolid line: the Fiat Fiorino. Dashed line: all cars the same age. The table below lists every value.053 years: 5.8 per 100 (all cars 0.5), 2,355 MOT tests34 years: 7.9 per 100 (all cars 0.7), 2,343 MOT tests45 years: 6.6 per 100 (all cars 1.0), 2,114 MOT tests56 years: 4.5 per 100 (all cars 1.3), 2,179 MOT tests67 years: 3.8 per 100 (all cars 1.7), 2,201 MOT tests78 years: 3.4 per 100 (all cars 2.1), 2,826 MOT tests89 years: 4.3 per 100 (all cars 2.4), 3,432 MOT tests910 years: 5.0 per 100 (all cars 2.8), 3,578 MOT tests1011 years: 6.2 per 100 (all cars 3.2), 3,632 MOT tests1112 years: 6.3 per 100 (all cars 3.7), 3,217 MOT tests1213 years: 6.2 per 100 (all cars 4.3), 2,506 MOT tests1314 years: 7.9 per 100 (all cars 5.1), 1,807 MOT tests14
Fails per 100 MOT tests by age, all first-use years pooled. Fiat Fiorino All class 4 vehicles the same age
AgeMOT testsFails per 100All class 4 vehicles the same age
32,3555.80.5
42,3437.90.7
52,1146.61.0
62,1794.51.3
72,2013.81.7
82,8263.42.1
93,4324.32.4
103,5785.02.8
113,6326.23.2
123,2176.33.7
132,5066.24.3
141,8077.95.1

All first-use years of the Fiat Fiorino pooled at each age, against all class 4 vehicles at that age over all 2022–2025 test years.

What fails in the exhaust, emissions and leaks at 11 years

Fails

Advisories (not fails)

Diagnose engine warning light cost

Repair figures are estimates, not quotes: how we estimate repair costs.

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  • Model risks for this year and fuel
  • What similar cars did at their next MOT
  • Repairs ahead
  • Viewing checklist

See a sample report

How to check on a test drive

Start the car from cold and look for smoke at the exhaust, listen for blowing joints, and look under the engine and gearbox for fresh oil or fluid drips.

The most common advisory here in MOT records: Engine oil leaks: leak, but not excessive.

Check one Fiat Fiorino, not the average

The figures here describe Fiat Fiorino cars as a group. These free tools answer for one car. Each line says what the tool reads.

Other Fiat Fiorino problems

Exhaust, emissions and leaks on rival models

Questions people ask

Does the Fiat Fiorino have more exhaust, emissions and leaks problems than other cars?

1.7 to 2.2 times the exhaust, emissions and leaks fail rate of all class 4 vehicles the same age at 11 years (all test years), from 3,632 MOT tests. The interval is clear of 1.2 in the same direction at 4 of the 12 ages seen (ages up to 18 with at least 100 MOT tests with a fail).

How common are Fiat Fiorino exhaust, emissions and leaks problems?

6.2 in 100 MOT tests at 11 years failed on exhaust, emissions and leaks, against 3.2 for all class 4 vehicles the same age (all test years; 3,632 MOT tests).

What is the most common Fiat Fiorino exhaust, emissions and leaks fail?

2.2 in 100 MOT tests at 11 years: Malfunction indicator lamp: inoperative or indicates a malfunction (79 MOT tests with it).

At what age do Fiat Fiorino exhaust, emissions and leaks fails start?

3 years: from then on the rate stays clear of 1.2 times all class 4 vehicles the same age at every age seen, 32,190 MOT tests.

Sources

  1. Driver and Vehicle Standards Agency, Anonymised MOT tests and results, 2022 to 2025. DVSA MOT data, Open Government Licence v3.0, 32,190 MOT tests. Accessed 7 Oct 2026.
  2. Office for National Statistics, Consumer price inflation, local price quotes (car repair items). ONS price quotes, series 610236. Accessed 7 Oct 2026.

Parts: against all class 4 vehicles at the same age, all 2022–2025 test years pooled, not adjusted for mileage. Breakdowns and non-MOT faults are not in this data. How we compare