Smart (MCC) Forfour

Reliability, estimated running costs, and MOT data across 9 model years from 39,606 MOT tests in 2024.

Avg Pass Rate

78%

Total Tests

39,606

Highest Pass Rate

2018 (88%)

Years Covered

About the Smart (MCC) Forfour

The Smart (MCC) Forfour was MOT tested 39,606 times in 2024 (DVSA data, retests included) across 9 model years (2004 to 2019), with an average pass rate of 78%. That's close to the average of 82% across all models in our data. Our records list petrol versions.

Best and Worst Years

Of the years with at least 100 tests, the 2018 model has the highest pass rate at 88% from 6,590 tests. The 2004 model has the lowest at 67%. With a 21 point gap, the year you choose makes a real difference. Newer cars usually pass more often simply because they are younger.

Reliability Trend

Newer Smart (MCC) Forfours pass their MOT more often than older ones, by 14 percentage points on average, which is mostly down to age and wear.

Mileage Across Years

The oldest model in our data (2004) averages 106,805 miles, while the newest (2019) averages 26,615 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.

Estimated Running Costs

Fuel (Petrol, 999cc)

£1,175

Road Tax

£200

MOT Test

£55

Predicted Repairs

£350

Total per year£1,780

Per month£148/mo

Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.

Full 2019 details

How reliable is the Smart (MCC) Forfour?

vs average of all models-4% (82% avg)

vs Smart (MCC) brand average+0% (78% avg)

Best to worst year spread21 percentage points

Reliability trendImproving over years

Smart (MCC) Forfour by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

Year	Pass Rate	Tests	Avg Mileage
2019	88%	3,224	26,615 mi
2018	88%	6,590	32,534 mi
2017	85%	8,284	39,590 mi
2016	82%	9,221	45,513 mi
2015	79%	9,848	52,006 mi
2007	70%	114	91,965 mi
2006	72%	831	99,878 mi
2005	74%	1,093	99,187 mi
2004	67%	401	106,805 mi

Questions about the Smart (MCC) Forfour

Is the Smart (MCC) Forfour reliable?

Across its 9 model years in our data (2004 to 2019), the Smart (MCC) Forfour averages a 78% MOT pass rate, from 39,606 tests (DVSA MOT data for tests in 2024, retests included). That's 4 points below the average of 82% across all models in the same data. The 2018 model has the highest pass rate of the years with at least 100 tests, at 88%.

Which year Smart (MCC) Forfour has the best MOT pass rate?

Of the years with at least 100 tests, the 2018 Smart (MCC) Forfour has the highest MOT pass rate at 88%, while the 2004 model has the lowest at 67%, a 21 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.