Fiat Doblo Reliability: Common Problems and Years to Avoid
What the Fiat Doblo fails its MOT on, with rough repair costs, and how each model year's MOT pass rate compares with other cars of the same age. Based on 75,914 MOT tests across 21 model years (DVSA data for tests carried out in 2024, retests included).
Segment: small family car | Fuel: Petrol, Diesel
76%
Fiat Doblo pass rate
83%
Fiat average
82%
All-model average
The Fiat Doblo has an average MOT pass rate of 76%, which is 7 points below the Fiat average and 6 points below the average across all models in our data. Newer Fiat Doblos pass their MOT more often than older ones, by 9 percentage points on average, which is mostly down to age and wear.
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What the Fiat Doblo Fails Its MOT On
Of the 14,396 MOT tests on the Fiat Doblo that failed at the first attempt in 2025, the share that failed on each part of the test, next to the share for all cars and vans of the same ages. A test that failed on two areas counts in both.
Suspension
46%Cars and vans the same age: 34% (the Doblo fails on this more often) · Typical repair £150-£600
Lights and electrics
41%Cars and vans the same age: 38% · Typical repair £15-£200
Tyres
21%Cars and vans the same age: 22% · Typical repair £50-£300
Exhaust, emissions and leaks
20%Cars and vans the same age: 11% (the Doblo fails on this more often) · Typical repair £80-£800
Brakes
19%Cars and vans the same age: 22% · Typical repair £80-£450
The 3 single faults it failed on most
- Coil spring: fractured or broken (16% of failed tests, suspension)
- Tyre tread depth below the 1.6mm limit (7.3% of failed tests, tyres)
- Headlamp aim: projected beam image is obviously incorrect (7.1% of failed tests, lights and electrics)
Source: CarCostCheck analysis of DVSA anonymised MOT test results and failure items for 2025: first attempt at each MOT, fail and pass-after-repair defects, DVSA's defect categories (names shortened). Repair costs are rough UK ranges, not quotes. Method and national figures: MOT failure reasons 2025.
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Fiat Doblo Years to Avoid
Every car in the 2024 MOT data was tested at the same age as the other cars first registered that year, so each Doblo year is compared with all cars from the same year. Years with 1,000+ tests that were at least three years old are included.
Failed more often than cars their age
Passed more often than cars their age
No year passed 3 or more points more often than other cars of the same age.
A lower pass rate means that year failed its MOT more often in 2024; it does not mean every car from that year is bad. Old cars still on the road are often the best-kept ones, which can lift the pass rates of the oldest years. How a car has been looked after matters more, so check the MOT history of the car you are looking at.
Fiat Doblo Reliability by Year
MOT pass rate for each model year, from DVSA data for tests carried out in 2024 (retests included). Newer cars usually pass more often simply because they are younger. All Cars is the pass rate of every car first registered that year, with the gap in points. Highest and lowest are marked among years with 100+ tests that were at least three years old when tested. Fuel and engine size are a guide only.
| Year | Fuel | Engine | Pass Rate | Fail Rate | All Cars |
|---|---|---|---|---|---|
| 2021 | Petrol | 1.4L | 79% | 20% | 93% (-14) |
| 2020 | Diesel | 1.6L | 81% | 19% | 92% (-11) |
| 2019 | Diesel | 1.6L | 80% | 19% | 91% (-11) |
| 2018 | Diesel | 1.2L | 81% | 18% | 89% (-8) |
| 2017 | Diesel | 1.2L | 78% | 22% | 87% (-9) |
| 2016 | Diesel | 1.6L | 77% | 23% | 86% (-9) |
| 2015 | Diesel | 1.6L | 77% | 22% | 84% (-7) |
| 2014 | Diesel | 1.6L | 75% | 24% | 82% (-7) |
| 2013 | Diesel | 1.6L | 80% | 19% | 80% (0) |
| 2012 | Diesel | 1.6L | 73% | 27% | 79% (-6) |
| 2011 | Diesel | 1.6L | 73% | 26% | 77% (-4) |
| 2010 | Diesel | 1.6L | 73% | 26% | 75% (-2) |
| 2009 | Petrol | 1.9L | 74% | 25% | 75% (-1) |
| 2008 | Petrol | 1.4L | 73% | 26% | 74% (-1) |
| 2007 | Petrol | 1.4L | 70% | 29% | 73% (-3) |
| 2006 | Petrol | 1.4L | 71% | 28% | 73% (-2) |
| 2005 | Diesel | 1.2L | 68% | 32% | 73% (-5) |
| 2004 | Diesel | 1.2L | 65% | 33% | 72% (-7) |
| 2003 | Diesel | 1.9L | 66% | 34% | - |
| 2002 | Diesel | 1.9L | 65% | 33% | - |
| 2001 | Diesel | 1.9L | 65% | 34% | - |
Fiat Doblo Running Costs
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Fiat Doblo FAQ
What are the most common Fiat Doblo problems?
In 2025, MOT tests on the Fiat Doblo that failed at the first attempt most often failed on suspension (46% of the 14,396 failed tests), lights and electrics (41%) and tyres (21%). The single most common fault was "Coil spring: fractured or broken" (16%). Across 75,914 MOT tests (DVSA MOT data for tests in 2024, retests included), 76% ended in a pass.
Is the Fiat Doblo reliable?
The Fiat Doblo has an average MOT pass rate of 76%, from 75,914 MOT tests (DVSA MOT data for tests in 2024, retests included). Comparing each model year with all cars first registered the same year, so that age is allowed for, it passed 5 points less often on average, so check the history of any example carefully.
Which Fiat Doblo years should I avoid?
Compared with all cars first registered the same year (DVSA MOT data for tests in 2024, retests included), the 2021 (79% of 1,386 tests passed, against 93% for all 2021 cars), the 2019 (80% of 2,825 tests passed, against 91% for all 2019 cars) and the 2020 (81% of 1,263 tests passed, against 92% for all 2020 cars) failed their MOT most often for their age. A year's pass rate does not tell you about one car, so check the MOT history of the car you are buying.
How much does it cost to fix common Fiat Doblo faults?
As a rough guide, brake work on a Fiat Doblo typically costs £80-£450 and suspension repairs £150-£600, while exhaust and emissions fixes can cost £80-£800. Lighting and wiper fixes are usually under £200.
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Other Fiat Models
Common problems pages for other Fiat models