Rover Mini MOT pass rate and common problems

The Rover Mini passed 72.2% of its initial MOT tests in 2025, in line with the 72.3% UK average. The item testers recorded most often was steering rack gaiter missing or no longer prevents the ingress of dirt.

Checking a specific car? Its own results, advisories and recorded mileages are in a free MOT history check.

How the Mini compares

Initial MOT tests in 2025, retests excluded. A car that failed and was repaired at the test station counts as a fail.

72.2%

Rover Mini

67.1%

Rover average

72.3%

UK average, all cars

The Mini runs 5.1 points ahead of the Rover average. It is 1st of the 5 Rover models in the data. The average Mini arrived at its test 31.1 years old with 50,612 miles recorded.

A pass rate records whether cars met the roadworthiness standard on test day. It is not a reliability score, and part of any gap reflects how old the tested cars were.

Mini MOT pass rate by age

The same 2025 tests split by the car's age at test.

Age at testTestsPass ratevs UK average
3 to 5 years (small sample) 1 100% 27.7 pts above
6 to 10 years (small sample) 11 72.7% In line
11 years and over 10,909 72.2% In line

Too few tests fall into some age groups to compare them reliably. The UK average of 72.3% covers cars of every age, so compare like with like.

Where Mini failures cluster

Every failure item recorded on Rover Mini cars in 2025, grouped into the DVSA's test areas.

  • Lamps, reflectors and electrical equipment25.4%
  • Noise, emissions and leaks17.1%
  • Suspension15.4%
  • Brakes13.7%
  • Body, chassis, structure9.3%
  • Visibility7.8%

Lamps, reflectors and electrical equipment and noise, emissions and leaks together account for 42.4% of recorded failure items. These are recorded failures across the model, not faults every car has.

The 10 most common Mini MOT failures

Specific items recorded on Rover Mini cars that failed their 2025 MOT, as a share of all recorded failure items.

  1. 1Steering rack gaiter missing or no longer prevents the ingress of dirtSteering 4.4%
  2. 2Non catalyst emissions emissions carbon monoxide content excessiveNoise, emissions and leaks 3.1%
  3. 3Service brake imbalance across an axleBrakes 3%
  4. 4Headlamp aim too highLamps, reflectors and electrical equipment 2.6%
  5. 5Catalyst emissions lambda reading after 2nd fast idle outside specified limitsNoise, emissions and leaks 2.6%
  6. 6Component mounting prescribed areas prescribed area excessively corroded significantly reducing structural strengthSuspension 2.6%
  7. 7Ball joint excessively wornSuspension 2.5%
  8. 8Position lamp not workingLamps, reflectors and electrical equipment 2.4%
  9. 9Rear fog lamp not workingLamps, reflectors and electrical equipment 2.3%
  10. 10Joints constant velocity boot split or insecure, no longer prevents the ingress of dirtBody, chassis, structure 2.3%

Together these 10 items make up 27.7% of everything testers recorded against failed Rover Mini cars. The rest is spread across many smaller items, and one failed test often records several at once.

What to look at on a Mini

The recorded failures above, grouped by area, biggest first.

1

Lamps, reflectors and electrical equipment

Recorded most often: headlamp aim too high, position lamp not working and rear fog lamp not working. 7.4% of failure items.

2

Noise, emissions and leaks

Recorded most often: non catalyst emissions emissions carbon monoxide content excessive and catalyst emissions lambda reading after 2nd fast idle outside specified limits. 5.7% of failure items.

3

Suspension

Recorded most often: component mounting prescribed areas prescribed area excessively corroded significantly reducing structural strength and ball joint excessively worn. 5.1% of failure items.

4

Steering

Recorded most often: steering rack gaiter missing or no longer prevents the ingress of dirt. 4.4% of failure items.

The car's own MOT history matters more than any model average. A free MOT history check shows whether a specific Mini has failed on these items before, or had them noted as advisories. Buying one? See the used Rover Mini buying guide.

Already found one?

Check its finance, write-off, theft, mileage and keeper history with a £15 vehicle history report.

Rover Mini MOT FAQs

What is the Rover Mini MOT pass rate?

72.2% of Rover Mini cars passed their initial MOT first time in 2025, from 10,921 tests. That is in line with the 72.3% average for all cars, and ranks 312th of 575 models.

What does a Rover Mini most commonly fail its MOT on?

The item testers recorded most often on Rover Mini cars failing their 2025 MOT was steering rack gaiter missing or no longer prevents the ingress of dirt, on 4.4% of failure items. Next were non catalyst emissions emissions carbon monoxide content excessive (3.1%) and service brake imbalance across an axle (3%).

Which area causes the most Rover Mini MOT failures?

Across every recorded failure item, the largest area was lamps, reflectors and electrical equipment at 25.4%, followed by noise, emissions and leaks at 17.1%.

Does this mean every Rover Mini has these problems?

No. These are the items testers recorded across every Rover Mini that failed in 2025. They show where the model most often needs attention, not the condition of any individual car.

How do I see a specific Rover Mini's MOT history?

Enter its registration on the free Carpeep MOT history check to see that car's own test results, failures, advisories and recorded mileages.

MOT figures are aggregated from the DVSA MOT Anonymised data set for 2025: class 4 initial tests, retests excluded, with failure items from failed tests (advisories and minor defects excluded), licensed under the Open Government Licence v3.0. MOT results describe roadworthiness at test, not mechanical reliability.