2005 Smart (mcc) Forfour MOT pass rate: 66.2% (1,746 tests)
Is the 2005 Forfour getting worse?
Pass rate of 2005-registered cars across recent test years:
| Test year | Pass rate | |
|---|---|---|
| 2023 | 63.7% -0.5 vs same-age |
|
| 2024 | 68.3% +4.1 vs same-age |
|
| 2025 | 67.7% +2.4 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 2005 Forfour
| # | System | Defects recorded | Share |
|---|---|---|---|
| 1 | Lamps, reflectors and electrical equipment | 713 | 31.7% |
| 2 | Brakes | 424 | 18.9% |
| 3 | Suspension | 314 | 14.0% |
| 4 | Body, chassis, structure | 238 | 10.6% |
| 5 | Visibility | 141 | 6.3% |
| 6 | Tyres | 139 | 6.2% |
All Forfour years compared
| Registration year | Tests | Pass rate | Vs same-age | Median mileage |
|---|---|---|---|---|
| 2005 (this page) | 1,746 | 66.2% | +1.7 pts | 93,596 |
| 2015 | 16,207 | 74.5% | -4.2 pts | 48,327 |
| 2016 | 15,612 | 77.9% | -3.4 pts | 41,668 |
| 2017 | 14,090 | 82.3% | -1.7 pts | 35,907 |
| 2018 | 11,275 | 86.1% | -0.2 pts | 28,696 |
| 2019 | 5,735 | 87.0% | -1.4 pts | 22,585 |
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FAQs
Is a 2005 Smart (mcc) Forfour reliable?
2005-registered examples passed 66.2% of their MOT tests (1,746 tests, 2023–2025), +1.7 points versus all UK cars registered in the same year. At roughly 21 years old with a median 93,596 miles, condition now varies car by car — always check the individual MOT history.
What mileage is too high for a 2005 Forfour?
The median tested example shows 93,596 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.
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.