2018 Fiat Doblo MOT pass rate: 76.8% (5,964 tests)
Is the 2018 Doblo getting worse?
Pass rate of 2018-registered cars across recent test years:
| Test year | Pass rate | |
|---|---|---|
| 2023 | 77.3% -10.7 vs same-age |
|
| 2024 | 76.7% -9.5 vs same-age |
|
| 2025 | 76.4% -8.4 vs same-age |
The raw rate normally falls as cars age. The “vs same-age” figure compares this cohort with all UK cars registered in the same year, so normal ageing is not mistaken for a bad model year.
What fails on a 2018 Doblo
| # | System | Defects recorded | Share |
|---|---|---|---|
| 1 | Suspension | 851 | 29.6% |
| 2 | Tyres | 524 | 18.2% |
| 3 | Lamps, reflectors and electrical equipment | 405 | 14.1% |
| 4 | Brakes | 317 | 11.0% |
| 5 | Noise, emissions and leaks | 313 | 10.9% |
| 6 | Visibility | 239 | 8.3% |
All Doblo years compared
| Registration year | Tests | Pass rate | Vs same-age | Median mileage |
|---|---|---|---|---|
| 2004 | 2,147 | 55.8% | -8.5 pts | 111,232 |
| 2005 | 2,899 | 57.1% | -7.4 pts | 110,634 |
| 2006 | 4,223 | 61.8% | -2.6 pts | 105,549 |
| 2007 | 5,753 | 61.7% | -3.4 pts | 100,956 |
| 2008 | 5,578 | 64.8% | -0.4 pts | 92,632 |
| 2009 | 4,445 | 67.6% | +1.2 pts | 74,697 |
| 2010 | 4,522 | 65.8% | -1.6 pts | 93,090 |
| 2011 | 4,753 | 64.0% | -5.2 pts | 100,638 |
| 2012 | 5,301 | 64.2% | -7.1 pts | 94,586 |
| 2013 | 19,808 | 76.8% | +3.4 pts | 68,879 |
| 2014 | 17,415 | 68.3% | -7.6 pts | 84,006 |
| 2015 | 14,321 | 70.4% | -8.4 pts | 83,558 |
| 2016 | 10,199 | 71.0% | -10.4 pts | 78,413 |
| 2017 | 7,426 | 71.9% | -12.1 pts | 65,962 |
| 2018 (this page) | 5,964 | 76.8% | -9.5 pts | 56,019 |
| 2019 | 4,797 | 77.2% | -11.2 pts | 50,959 |
| 2020 | 2,250 | 78.2% | -11.7 pts | 31,352 |
| 2021 | 1,633 | 75.8% | -14.7 pts | 49,260 |
Weighing up which year to buy? See the full ranking: Fiat Doblo years to avoid.
- Free MOT history checkThe exact car’s failures, advisories and mileage trail — sellers can’t edit it
- Topdon OBD2 scannersTopdon diagnostic scanners with full-system readouts
- XTOOL diagnostic toolsXTOOL code readers for petrol and diesel cars
- Autel UK testersAutel professional-grade diagnostic testers
FAQs
Is a 2018 Fiat Doblo reliable?
2018-registered examples passed 76.8% of their MOT tests (5,964 tests, 2023–2025), -9.5 points versus all UK cars registered in the same year. At roughly 8 years old with a median 56,019 miles, condition now varies car by car — always check the individual MOT history.
What mileage is too high for a 2018 Doblo?
The median tested example shows 56,019 miles. Anything far beyond that isn't automatically bad — a motorway-mile car with consistent service records often beats a low-mileage school-run car — but price accordingly and scrutinise the mileage trail for gaps or drops.
Should I buy the petrol or diesel 2018 Doblo?
In this cohort petrols pass 86.4% of tests against 74.6% for diesels. Mileage and use can explain part of that gap, so treat it as a reason to inspect DPF and emissions history, not a fuel-type verdict.
Source: DVSA Anonymised MOT tests and results, 2023–2025 extracts (96 million Class 4 initial tests; retests excluded). Only vehicles old enough for a routine first MOT are included. Age-adjusted figures compare the model-year cohort with all vehicles of the same registration year tested in the same calendar year. Contains public sector information licensed under OGL v3.0.