21 Model Years Analyzed
Porsche 928 S
MOT Pass Rate & Statistics
Average pass rate across all model years (1979-2008), based on 658 DVSA recorded tests.
84%
Average Pass Rate
21
Model Years
1k
Tests Analyzed
Most Tested Year
1988 Porsche 928 S MOT Pass Rate & Common Failures
Pass Rate by Year
1 tests
2 tests
1 tests
1 tests
2 tests
3 tests
4 tests
21 tests
60 tests
63 tests
82 tests
105 tests
68 tests
86 tests
50 tests
60 tests
28 tests
15 tests
1 tests
3 tests
2 tests
Most Common Failures Across All Years
- 1Lambda coefficient outside the default limits or the range specified by the manufacturer
- 2Fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- 3Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- 4A tyre seriously damaged
- 5An SRS malfunction indicator lamp (MIL) indicates a system malfunction
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Frequently Asked Questions
What is the average MOT pass rate for a Porsche 928 S?
The Porsche 928 S has an average 84% MOT pass rate across model years 1979 to 2008, based on DVSA test data.
What are the most common MOT failures on a Porsche 928 S?
The most common MOT failure reasons for the Porsche 928 S across all years are: lambda coefficient outside the default limits or the range specified by the manufacturer, fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users, windscreen washers not working or not providing sufficient fluid to clear the windscreen. These are typical wear items that can often be checked and addressed before your test.
Which Porsche 928 S year has the best MOT pass rate?
MOT pass rates vary by year - newer models typically have higher pass rates. Check our year-by-year breakdown above to compare pass rates for specific Porsche 928 S model years.