Porsche 924 MOT reliability

Porsche 924s passed their MOT first time 72% of the time across 489 tests in 2025. 967 are still licensed in Great Britain.

First-time pass rate

72%

MOTs analysed

489

Still licensed (GB)

967

Body type

Coupe

Pass rate by year of first registration

Older cars fail more often, so compare a car with others of the same age. Years with very few MOTs can show extreme pass rates, even 0% or 100%, so give more weight to years with more tests.

In detail:

First registered

1988 petrol

85 MOTs

These figures come from 85 MOT tests. That's a fairly small number of cars, so they may not be typical of these cars as a whole.

Passed first time 75%. Typical mileage 51,647 (most between 31,471 and 81,862).

2005: 63% → 2006: 63% → 2007: 57% → 2008: 54% → 2009: 58% → 2010: 62% → 2011: 54% → 2012: 56% → 2013: 57% → 2014: 59% → 2015: 63% → 2016: 62% → 2017: 57% → 2018: 63% → 2019: 72% → 2020: 68% → 2021: 65% → 2022: 65% → 2023: 69% → 2024: 68% → 2025: 75%

Most common failures

Service brake performance: excessively binding (7.1%)
Rbt (sp): efficiency below requirements (3.5%)
Non catalyst emissions: emissions carbon monoxide content excessive (2.4%)
Washers: not working (2.4%)
Headlamp aim: too low (2.4%)

Where 1988 924s fail

Brakes

14.1%

Lights & electrics

9.4%

Visibility & wipers

4.7%

Body, structure & corrosion

3.5%

Exhaust, emissions & leaks

3.5%

Suspension & axles

3.5%

Wheels & tyres

1.2%

Looking at a particular car?

See its own MOT history, mileage and red flags, compared with these figures. Free.

Based on 2025 initial MOT tests in DVSA's anonymised MOT dataset (cars and light vans). Contains public sector information licensed under the Open Government Licence v3.0. Model details: Vehicle data by VehiclesDB.