Porsche 924 Reliability, MOT Pass Rate & Common Faults
Free Porsche 924 car check
Is the Porsche 924 reliable? We analysed 35,116 real MOT tests across 4,101 vehicles to find out.
Got a specific Porsche 924? Enter the reg for a free check:
The Porsche 924 is about average for reliability based on real UK MOT data. Common problems include windscreen washer provides insufficient washer liquid, brake pipe excessively corroded and parking brake: efficiency below requirements. Here's everything you need to know before buying a used Porsche 924.
Porsche 924 Number Plates
Number plates registered to a Porsche 924. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.
Porsche 924 MOT Pass Rate by Year
How likely is a Porsche 924 to pass its MOT? Here's the pass rate for each registration year, newest first.
Porsche 924 Problems — What Goes Wrong?
The most common reasons a Porsche 924 fails its MOT, ranked by how often they occur. Check for these problems before you buy.
Porsche 924 Mileage — What's Normal?
How many miles does a typical Porsche 924 owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.
Porsche 924 MOT Data by Registration Year
Full breakdown of pass rate and mileage for each year. Use this to compare the Porsche 924 year you're looking at.
| Year | Tests | Pass Rate | Low Mi. | Typical Mi. | High Mi. |
|---|---|---|---|---|---|
| 1989 | 103 | 70.9% | 8,311 | 33,894 | 85,376 |
| 1988 | 3,179 | 70.7% | 23,610 | 47,678 | 74,950 |
| 1987 | 3,490 | 73.5% | 28,696 | 54,485 | 81,389 |
| 1986 | 7,127 | 71.4% | 23,022 | 45,079 | 75,504 |
| 1985 | 3,372 | 69.0% | 18,696 | 45,562 | 76,480 |
| 1984 | 3,545 | 68.9% | 21,622 | 48,000 | 79,597 |
| 1983 | 4,120 | 67.7% | 23,112 | 46,777 | 75,782 |
| 1982 | 3,071 | 66.9% | 20,126 | 47,393 | 76,023 |
| 1981 | 3,563 | 68.5% | 23,340 | 51,553 | 79,075 |
| 1980 | 2,093 | 68.2% | 27,904 | 59,006 | 80,213 |
| 1979 | 714 | 68.6% | 28,352 | 62,422 | 82,438 |
| 1978 | 277 | 65.3% | 19,733 | 38,870 | 83,813 |
| 1977 | 200 | 75.5% | 32,954 | 59,241 | 76,617 |
How Long Does a Porsche 924 Last?
Based on 4,101 Porsche 924 vehicles on UK roads.
Porsche 924 Mileage Distribution
Total mileage recorded across all Porsche 924 MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.
Best Year to Buy a Used Porsche 924
Based on MOT pass rates across all registration years with sufficient test data.
75.5% MOT pass rate from 200 tests
65.3% MOT pass rate from 277 tests
The best year to buy a used Porsche 924 is 1977, which has the highest MOT pass rate at 75.5% across 200 tests. The 1978 model year has the lowest pass rate at 65.3% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.
How Does the Porsche 924 Compare?
MOT pass rates compared to similar models. Click any model for the full breakdown.
| Model | Pass Rate | Tests | Typical Mileage | Lifespan |
|---|---|---|---|---|
| Porsche 924 THIS CAR | 69.6% | 35,116 | 49,366 mi | 47 yrs |
| Porsche 911 | 85.2% | 977,057 | 55,056 mi | 47 yrs |
| Porsche Boxster | 82.8% | 726,695 | 55,739 mi | 29 yrs |
| Porsche Cayenne | 84.5% | 388,697 | 65,616 mi | 23 yrs |
| Honda CB900 | 85.5% | 27,554 | 19,854 mi | 47 yrs |
Compared to the Porsche 911 (85.2% pass rate) and the Porsche Boxster (82.8% pass rate), the Porsche 924 trails behind on MOT reliability.
Found a Porsche 924 you like?
Run a full vehicle history check on the specific car. See finance, stolen, write-off, mileage and MOT data for that exact vehicle.
Check a specific Porsche 924Should you buy a used Porsche 924?
The Porsche 924 has an overall MOT pass rate of 69.6% across 35,116 real MOT tests — roughly in line with the UK average.
The most common problems on the Porsche 924 are windscreen washer provides insufficient washer liquid (2,423 recorded failures), brake pipe excessively corroded (1,413), and parking brake: efficiency below requirements (1,220). These are the faults most likely to cause an MOT failure on this model, so check for them carefully on any test drive or pre-purchase inspection. Many are wear-and-tear items that can be budgeted for, but a car that's already failing on multiple fronts may signal neglected maintenance.
A typical Porsche 924 owner drives around 672 miles per year. If the car you're looking at is significantly above this, expect more wear on suspension, brakes and tyres. If it's well below, the vehicle may have been sitting unused — check for perished rubber, corroded discs and stale fluids.
In terms of longevity, most Porsche 924 models stay on UK roads for around 47 years — a strong showing that suggests solid build quality and readily available parts. If you're buying one that's already approaching that window, the data suggests it has plenty of life left provided it's been maintained.
Before committing to a purchase, we recommend running a full vehicle history check on the specific car. This will reveal any outstanding finance, stolen markers, write-off history and mileage discrepancies that the seller may not disclose — and that the MOT data alone can't tell you.