Porsche 928
Reliability, estimated running costs, and MOT data across 6 model years from 417 MOT tests in 2024.
Avg Pass Rate
87%
Total Tests
417
Model Years
1990 to 1995
Years Covered
6
About the Porsche 928
The Porsche 928 was MOT tested 417 times in 2024 (DVSA data, retests included) across 6 model years (1990 to 1995), with an average pass rate of 87%. That's slightly above the average of 82% across all models in our data. Our records list petrol versions.
Mileage Across Years
The oldest model in our data (1990) averages 97,889 miles, while the newest (1995) averages 68,198 miles.
Compared to the Porsche brand average of 92%, the 928 is 5 points lower, placing it among the less reliable Porsche models.
Estimated Running Costs
Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.
Full 1995 detailsHow reliable is the Porsche 928?
Porsche 928 by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Questions about the Porsche 928
Is the Porsche 928 reliable?
Across its 6 model years in our data (1990 to 1995), the Porsche 928 averages an 87% MOT pass rate, from 417 tests (DVSA MOT data for tests in 2024, retests included). That's 5 points above the average of 82% across all models in the same data.
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