MOT pass rates / KIA

KIA RIO: 69% pass.

93,579 tests of cars aged 3 and over passed first time 69% of the time in 2025. For cars of the same ages, 70% would be expected: 1 point 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
6 years 85% 82% 2% 13% 115
7 years 80% 79% 4% 16% 835
8 years 73% 76% 6% 21% 1,646
9 years 68% 73% 6% 26% 1,848
10 years 63% 70% 6% 30% 2,268
11 years 58% 67% 6% 35% 2,480
12 years 56% 64% 7% 36% 2,483
13 years 54% 62% 7% 39% 1,836
14 years 54% 60% 7% 39% 1,442
15 years 51% 58% 8% 41% 1,428
16 years 54% 57% 6% 40% 746
17 years 51% 57% 8% 41% 436
18 years 52% 57% 8% 40% 349
19 years 41% 57% 9% 51% 235
Petrol
Age of carPass first timeAll cars this ageFixed at the stationFailedTests
3 years 88% 88% 4% 9% 2,365
4 years 86% 86% 4% 11% 2,828
5 years 84% 84% 4% 12% 4,229
6 years 85% 82% 4% 11% 5,247
7 years 84% 79% 4% 12% 5,643
8 years 79% 76% 4% 16% 6,793
9 years 77% 73% 5% 18% 8,348
10 years 71% 70% 6% 23% 8,561
11 years 64% 67% 7% 29% 7,524
12 years 62% 64% 7% 31% 6,435
13 years 58% 62% 8% 34% 5,735
14 years 55% 60% 8% 37% 4,009
15 years 56% 58% 8% 36% 3,853
16 years 51% 57% 9% 39% 1,721
17 years 53% 57% 9% 38% 860
18 years 53% 57% 10% 37% 414
19 years 55% 57% 9% 35% 391
20 years 53% 57% 6% 41% 194

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 KIA and costs.

02 / Related

Data sources