Pass rate, every year
699 tests across 4 model years, 2004–2007.
−4.8 pts vs the national average
Pass rate, every year
699 tests across 4 model years, 2004–2007.
−4.8 pts vs the national average
Best year to buy
2007 78.1%
The strongest of the 4 years on record. See the 2007 page →
Worst year to buy
2004 73.4%
4.7 points below the 2007 peak. See the 2004 page →
The Smart Forfour Passion Semi-Auto MOT pass rate is 76.2%, −4.8 percentage points below the UK average. That is 699 DVSA MOT tests recorded between 2004 and 2007. This page lists the most common Smart Forfour Passion Semi-Auto MOT failures by category, names the best and worst model years, and finishes with a pre-MOT checklist you can run at home.
The Smart Forfour Passion Semi-Auto passed on its first attempt in 70.6%, and its overall record sits −4.8 percentage points below the national average for all cars. These figures come from every recorded DVSA MOT test for the Smart Forfour Passion Semi-Auto in the 2023–2025 data: 699 tests across 4 model years (2004–2007). A test still carries exactly one pass or fail verdict.
| Measure | This model |
|---|---|
| Tests analysed | 699 |
| Overall pass rate | 76.2% |
| Passed on first attempt | 70.6% |
| Average mileage at test | 92,710 mi |
| Model years covered | 2004–2007 (4 years) |
| Versus UK national average | −4.8 pts below |
Figures are computed from every recorded DVSA test for this model in the 2023–2025 data.
Every MOT failure a tester records belongs to one inspection section of the DVSA manual. For the Smart Forfour Passion Semi-Auto, the Lamps, reflectors and electrical equipment section leads the record — the breakdown below shows where the recorded failures cluster, then the exact strings behind the three biggest sections.
| Inspection section | Share of failures |
|---|---|
| Lamps, reflectors and electrical equipment | 52% |
| Suspension | 16% |
| Steering | 11% |
| Visibility | 10% |
| Brakes | 6% |
| Noise, emissions and leaks | 1% |
| Body, chassis, structure | 1% |
| Seat belts and supplementary restraint systems | 1% |
Shares are over the Smart Forfour Passion Semi-Auto's recorded defect strings, merged across its year pages.
Around 52% of the recorded Smart Forfour Passion Semi-Auto failures fall in the Lamps, reflectors and electrical equipment section of the MOT inspection manual. Testers recorded "Headlamp lens slightly defective" (7.7%), "Registration plate lamp(s) inoperative in the case of multiple lamps or light sources" (5.7%), "Position lamp not working" (4.0%) among the Smart Forfour Passion Semi-Auto's lamps, reflectors and electrical equipment faults.
Around 16% of the recorded Smart Forfour Passion Semi-Auto failures fall in the Suspension section of the MOT inspection manual. Testers recorded "Ball joint dust cover severely deteriorated" (7.3%), "Coil spring fractured or broken" (0.6%) among the Smart Forfour Passion Semi-Auto's suspension faults.
Around 11% of the recorded Smart Forfour Passion Semi-Auto failures fall in the Steering section of the MOT inspection manual. Testers recorded "Track rod end ball joint dust cover damaged or deteriorated, but preventing the ingress of dirt" (4.4%), "Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of…" (1.0%) among the Smart Forfour Passion Semi-Auto's steering faults.
The descriptions below are the exact DVSA failure strings testers recorded most often for the Smart Forfour Passion Semi-Auto, each with how many of the model's 699 tests it was noted on.
The strongest Smart Forfour Passion Semi-Auto model year on record is 2007 (78.1% across 151 tests), and the weakest is 2004 (73.4%). The gap between them is 4.7 points. Years with fewer than 50 recorded tests are excluded, so these are the years with enough MOT history to mean something.
Smart Forfour Passion Semi-Auto reliability is improving in the DVSA data — the pass rate moves about 1.6 points a year across the most recent model years shown above.
| Year | Tests | Pass rate |
|---|---|---|
| 2007 Forfour Passion Semi-Auto | 151 | 78.1% |
| 2006 Forfour Passion Semi-Auto | 160 | 77.5% |
| 2005 Forfour Passion Semi-Auto | 294 | 75.5% |
| 2004 Forfour Passion Semi-Auto | 94 | 73.4% |
Newest model year first. Only years with at least 50 recorded tests are listed.
These checks follow this Smart Forfour Passion Semi-Auto's own most-recorded failure strings, starting with what a tester is most likely to flag on a Smart Forfour Passion Semi-Auto.
the lights — “headlamp lens slightly defective”
Switch everything on and walk round the car: both headlamps on dip and main, every indicator, both brake lights, reverse, fog and the two number-plate lamps. A bulb is a few pounds and a five-minute job.
the suspension joints — “ball joint dust cover severely deteriorated”
With the car parked on level ground, rock the top of each front wheel in and out while someone watches the suspension arm. Clunks, or rubber boots split and greasy, are what testers record here.
the windscreen — “windscreen damaged”
Check the driver’s side of the screen within the swept area for chips and cracks; anything larger than 10mm in the driver’s central view is a fail. Most chips can be resin-repaired for far less than a new screen.
Derived from the DVSA failure strings testers recorded for the Smart Forfour Passion Semi-Auto. A check that finds nothing means the item is likely fine, not that the test is guaranteed.
76.2% of the 699 recorded Smart Forfour Passion Semi-Auto MOT tests ended in a pass, −4.8 percentage points below the national average. 70.6% of those passed on the first attempt.
2007 is the strongest Smart Forfour Passion Semi-Auto year on record at 78.1%, while 2004 is the weakest at 73.4%. The year-by-year table below lists every model year with at least 50 recorded tests.
The most recorded Smart Forfour Passion Semi-Auto failures are "Headlamp lens slightly defective" and "Ball joint dust cover severely deteriorated" — together around 15% of tests, mostly in the Lamps, reflectors and electrical equipment section.