Smart (mcc) Forfour Reliability, MOT Pass Rate & Common Faults
Free Smart (mcc) Forfour car check
Is the Smart (mcc) Forfour reliable? We analysed 256,394 real MOT tests across 26,709 vehicles to find out.
Got a specific Smart (mcc) Forfour? Enter the reg for a free check:
The Smart (mcc) Forfour is above average for reliability based on real UK MOT data. Common problems include windscreen wiper does not clear the windscreen effectively, tyre tread depth below requirements of 1.6mm and registration plate lamp not working. Here's everything you need to know before buying a used Smart (mcc) Forfour.
Smart (mcc) Forfour Number Plates
Number plates registered to a Smart (mcc) Forfour. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.
Smart (mcc) Forfour MOT Pass Rate by Year
How likely is a Smart (mcc) Forfour to pass its MOT? Here's the pass rate for each registration year, newest first.
Smart (mcc) Forfour Problems — What Goes Wrong?
The most common reasons a Smart (mcc) Forfour fails its MOT, ranked by how often they occur. Check for these problems before you buy.
Smart (mcc) Forfour Common Faults & Problems
These are the most common serious faults found on Smart (mcc) Forfour models during MOT testing — flagged as dangerous or major failures that need immediate attention.
Smart (mcc) Forfour Mileage — What's Normal?
How many miles does a typical Smart (mcc) Forfour owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.
Smart (mcc) Forfour MOT Data by Registration Year
Full breakdown of pass rate and mileage for each year. Use this to compare the Smart (mcc) Forfour year you're looking at.
| Year | Tests | Pass Rate | Low Mi. | Typical Mi. | High Mi. |
|---|---|---|---|---|---|
| 2019 | 9,118 | 86.1% | 13,292 | 21,899 | 33,910 |
| 2018 | 22,965 | 85.0% | 15,512 | 24,670 | 37,205 |
| 2017 | 37,251 | 83.6% | 18,858 | 29,279 | 43,385 |
| 2016 | 46,603 | 81.3% | 21,356 | 32,362 | 47,192 |
| 2015 | 56,781 | 79.4% | 24,117 | 36,352 | 51,878 |
| 2010 | 194 | 77.3% | 31,299 | 41,559 | 78,102 |
| 2009 | 222 | 75.7% | 28,877 | 46,800 | 77,224 |
| 2008 | 187 | 75.4% | 18,220 | 35,344 | 59,054 |
| 2007 | 2,234 | 73.8% | 39,714 | 62,076 | 83,741 |
| 2006 | 21,794 | 73.3% | 40,882 | 64,400 | 90,816 |
| 2005 | 38,950 | 72.6% | 41,285 | 65,030 | 92,542 |
| 2004 | 18,462 | 71.7% | 43,874 | 67,593 | 95,648 |
| 2003 | 73 | 64.4% | 65,404 | 87,958 | 106,091 |
| 2002 | 90 | 68.9% | 28,316 | 50,274 | 79,112 |
| 2001 | 62 | 85.5% | 54,379 | 65,440 | 89,214 |
How Long Does a Smart (mcc) Forfour Last?
Based on 26,709 Smart (mcc) Forfour vehicles on UK roads.
Smart (mcc) Forfour Mileage Distribution
Total mileage recorded across all Smart (mcc) Forfour MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.
Best Year to Buy a Used Smart (mcc) Forfour
Based on MOT pass rates across all registration years with sufficient test data.
86.1% MOT pass rate from 9,118 tests
64.4% MOT pass rate from 73 tests
The best year to buy a used Smart (mcc) Forfour is 2019, which has the highest MOT pass rate at 86.1% across 9,118 tests. The 2003 model year has the lowest pass rate at 64.4% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.
How Does the Smart (mcc) Forfour Compare?
MOT pass rates compared to similar models. Click any model for the full breakdown.
| Model | Pass Rate | Tests | Typical Mileage | Lifespan |
|---|---|---|---|---|
| Smart (mcc) Forfour THIS CAR | 78.9% | 256,394 | 38,541 mi | 22 yrs |
| Smart (mcc) Fortwo Coupe | 75.2% | 440,585 | 45,098 mi | 24 yrs |
| Smart (mcc) City Coupe | 71.5% | 282,294 | 49,203 mi | 27 yrs |
| Smart (mcc) Fortwo | 85% | 187,875 | 28,034 mi | 13 yrs |
| Volvo S70 | 69.6% | 77,770 | 114,318 mi | 29 yrs |
Compared to the Smart (mcc) Fortwo Coupe (75.2% pass rate) and the Smart (mcc) City Coupe (71.5% pass rate), the Smart (mcc) Forfour outperforms both on MOT reliability.
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Run a full vehicle history check on the specific car. See finance, stolen, write-off, mileage and MOT data for that exact vehicle.
Check a specific Smart (mcc) ForfourShould you buy a used Smart (mcc) Forfour?
The Smart (mcc) Forfour has an overall MOT pass rate of 78.9% across 256,394 real MOT tests — comfortably above the UK average, which puts it among the more reliable models on UK roads.
The most common problems on the Smart (mcc) Forfour are windscreen wiper does not clear the windscreen effectively (2,304 recorded failures), tyre tread depth below requirements of 1.6mm (2,283), and registration plate lamp not working (2,059). These are the faults most likely to cause an MOT failure on this model, so check for them carefully on any test drive or pre-purchase inspection. Many are wear-and-tear items that can be budgeted for, but a car that's already failing on multiple fronts may signal neglected maintenance.
On the safety side, the most frequently flagged dangerous fault is tyre tread depth below requirements of 1.6mm. Dangerous faults cause an immediate MOT failure and mean the vehicle is not roadworthy until repaired. If you're viewing a Smart (mcc) Forfour with an expired or recently passed MOT, ask the seller whether any dangerous faults were found and fixed during the last test.
A typical Smart (mcc) Forfour owner drives around 4,633 miles per year. If the car you're looking at is significantly above this, expect more wear on suspension, brakes and tyres. If it's well below, the vehicle may have been sitting unused — check for perished rubber, corroded discs and stale fluids.
In terms of longevity, most Smart (mcc) Forfour models stay on UK roads for around 22 years — a strong showing that suggests solid build quality and readily available parts. If you're buying one that's already approaching that window, the data suggests it has plenty of life left provided it's been maintained.
Before committing to a purchase, we recommend running a full vehicle history check on the specific car. This will reveal any outstanding finance, stolen markers, write-off history and mileage discrepancies that the seller may not disclose — and that the MOT data alone can't tell you.