MOT pass rates / Smart (Mcc)

Smart (Mcc) Forfour: 72% pass.

22,154 tests of cars aged 3 and over passed first time 72% of the time in 2025. For cars of the same ages, 76% would be expected: 4 points worse than that.

How it does as it ages.

01 / By age

Source: Anonymised MOT tests and results (Driver and Vehicle Standards Agency) Checked

Diesel
Age of carPass first timeAll cars this ageFixed at the stationFailedTests
19 years 46% 57% 6% 47% 78
20 years 52% 57% 2% 46% 61
Electric
Age of carPass first timeAll cars this ageFixed at the stationFailedTests
5 years 82% 84% 2% 16% 99
6 years 84% 82% 4% 12% 165
7 years 81% 79% 4% 15% 113
Petrol
Age of carPass first timeAll cars this ageFixed at the stationFailedTests
5 years 83% 84% 3% 14% 959
6 years 80% 82% 5% 15% 2,916
7 years 77% 79% 5% 18% 3,902
8 years 72% 76% 6% 22% 5,141
9 years 69% 73% 6% 25% 5,447
10 years 64% 70% 7% 29% 2,405
18 years 56% 57% 12% 32% 173
19 years 57% 57% 9% 34% 396
20 years 60% 57% 10% 30% 266

Ages with fewer than 30 tests are left out. "All cars this age" is every make and model at that age, so you can see whether this one does better or worse than most.

More on Smart (Mcc) and costs.

02 / Related

Data sources