2021 · 3 years old at test · Petrol mostly

2021 Porsche Boxster MOT pass rate and common faults

271 MOT tests in 2024. 96.3% passed first time, compared with 87.6% for all cars the same age.

110Well above average
Passed first time96.3%
Failed or needed repairs3.7%
Typical mileage at test11,000

Most common reasons for failing

Share of all 271 tests where this item caused a failure.

  1. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords0.7%
  2. Tyre pressure monitoring system: malfunctioning or obviously inoperative0.4%
  3. Headlamp aim: too high0.4%
  4. Headlamp aim: too low0.4%
  5. Tyres - condition: has ply or cords damaged0.4%
    1 marked dangerous
  6. Side repeaters: not working0.4%
  7. Registration plates: incorrect0.4%
  8. Catalyst emissions: Lambda reading after 2nd fast idle outside specified limits0.4%
  9. Shock absorbers: has a serious fluid leak0.4%
  10. Tyres - condition: has a lump, caused by separation or partial failure of its structure0.4%
    1 marked dangerous

Problem areas

Failure items found per 100 tests, by part of the car.

  1. Tyres1.8%
  2. Lights & electrics1.1%
  3. Number plates & VIN0.4%
  4. Emissions & leaks0.4%
  5. Suspension0.4%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Non-component advisories: Nail in tyre3.0%
  2. Tyres - condition: has a tear, caused by separation or partial failure of its structure1.8%
  3. Tread depth below requirements of 1.6mm1.8%
  4. Tread depth: tread pattern not visible over the whole tread area when minimum depth required is 1.0mm1.5%
  5. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.1%

What this means if you are buying one

This model year does better than most cars its age, so it is a reasonable used buy on MOT record alone. Before buying, check the area that fails most: tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords. Then look up the car's own MOT history on GOV.UK with its number plate, and look for repeat advisories.

← 2020 BoxsterAll Boxster years

Questions

What is the MOT pass rate for a 2021 Porsche Boxster?

In 2024, 96.3% of 2021 Porsche Boxster cars passed their MOT first time, across 271 tests. The average for all 3-year-old cars was 87.6%.

What are the most common MOT failures on a 2021 Porsche Boxster?

The most common failure reasons were tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords; tyre pressure monitoring system: malfunctioning or obviously inoperative; headlamp aim: too high. The biggest problem area was tyres.

Is the 2021 Porsche Boxster reliable at MOT time?

Its MOT Rank score is 110, which is well above average for a car of its age (100 means exactly average).