Smart Forfour Passion Semi-auto Reliability, MOT Pass Rate & Common Faults
Free Smart Forfour Passion Semi-auto car check
Is the Smart Forfour Passion Semi-auto reliable? We analysed 10,625 real MOT tests across 639 vehicles to find out.
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The Smart Forfour Passion Semi-auto is about 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 Forfour Passion Semi-auto.
Smart Forfour Passion Semi-auto Number Plates
Number plates registered to a Smart Forfour Passion Semi-auto. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.
Smart Forfour Passion Semi-auto MOT Pass Rate by Year
How likely is a Smart Forfour Passion Semi-auto to pass its MOT? Here's the pass rate for each registration year, newest first.
Smart Forfour Passion Semi-auto Problems — What Goes Wrong?
The most common reasons a Smart Forfour Passion Semi-auto fails its MOT, ranked by how often they occur. Check for these problems before you buy.
Smart Forfour Passion Semi-auto Mileage — What's Normal?
How many miles does a typical Smart Forfour Passion Semi-auto owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.
Smart Forfour Passion Semi-auto MOT Data by Registration Year
Full breakdown of pass rate and mileage for each year. Use this to compare the Smart Forfour Passion Semi-auto year you're looking at.
| Year | Tests | Pass Rate | Low Mi. | Typical Mi. | High Mi. |
|---|---|---|---|---|---|
| 2007 | 1,590 | 76.9% | 41,137 | 63,534 | 84,249 |
| 2006 | 1,794 | 75.4% | 36,826 | 56,941 | 78,791 |
| 2005 | 5,342 | 74.5% | 39,990 | 60,788 | 87,156 |
| 2004 | 1,866 | 73.2% | 42,555 | 64,068 | 87,781 |
How Long Does a Smart Forfour Passion Semi-auto Last?
Based on 639 Smart Forfour Passion Semi-auto vehicles on UK roads.
Smart Forfour Passion Semi-auto Mileage Distribution
Total mileage recorded across all Smart Forfour Passion Semi-auto 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 Forfour Passion Semi-auto
Based on MOT pass rates across all registration years with sufficient test data.
76.9% MOT pass rate from 1,590 tests
73.2% MOT pass rate from 1,866 tests
The best year to buy a used Smart Forfour Passion Semi-auto is 2007, which has the highest MOT pass rate at 76.9% across 1,590 tests. The 2004 model year has the lowest pass rate at 73.2% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.
How Does the Smart Forfour Passion Semi-auto Compare?
MOT pass rates compared to similar models. Click any model for the full breakdown.
| Model | Pass Rate | Tests | Typical Mileage | Lifespan |
|---|---|---|---|---|
| Smart Forfour Passion Semi-auto THIS CAR | 74.7% | 10,625 | 61,222 mi | 22 yrs |
| Smart Roadster 80 Auto(rhd) | 74% | 44,118 | 54,896 mi | 23 yrs |
| Smart Fortwo Passion Mhd Auto | 79.4% | 44,035 | 38,367 mi | 18 yrs |
| Smart City Passion 61 Auto | 73% | 27,463 | 48,099 mi | 23 yrs |
| Mini Countryman Cooper D | 83.7% | 13,433 | 70,992 mi | 16 yrs |
Compared to the Smart Roadster 80 Auto(rhd) (74.0% pass rate) and the Smart Fortwo Passion Mhd Auto (79.4% pass rate), the Smart Forfour Passion Semi-auto sits in the middle of the pack 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 Forfour Passion Semi-autoShould you buy a used Smart Forfour Passion Semi-auto?
The Smart Forfour Passion Semi-auto has an overall MOT pass rate of 74.7% across 10,625 real MOT tests — roughly in line with the UK average.
The most common problems on the Smart Forfour Passion Semi-auto are windscreen wiper does not clear the windscreen effectively (273 recorded failures), tyre tread depth below requirements of 1.6mm (264), and registration plate lamp not working (239). 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.
A typical Smart Forfour Passion Semi-auto owner drives around 4,840 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 Forfour Passion Semi-auto 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.