Porsche 928 S MOT Data
Pass rate, failures & statistics from 1,442 tests
84.0%
Good
Reliability Verdict
#324
of 605 models
46.1%
Better than X% of cars
+1.7%
vs National Average
Common MOT Failures
Tyres18,055
Brakes17,823
Lamps, reflectors and electrical equipment11,913
Suspension10,259
Noise, emissions and leaks6,225
Body, chassis, structure3,779
Visibility3,687
Non-component advisories1,909
Number of failure items recorded across all MOT tests
Mileage Distribution
0–30K miles59
30–60K miles95
60–90K miles191
90–120K miles464
120K+ miles633
How It Compares
| Model | Pass Rate |
|---|---|
| Porsche 928 S | 84.0% |
Porsche 928 S — MOT Overview
Based on 1,442 MOT tests, the Porsche 928 S has an overall pass rate of 84.0%. This is above the national average of 82.3%, making it rank #324 out of 605 models tested.
The most common failure reasons for the Porsche 928 S are tyres, brakes, lamps, reflectors and electrical equipment. Tyres accounts for 51.5% of all failure items recorded.
Before your Porsche 928 S's MOT, check your lights, tyres (minimum 1.6mm tread depth), brakes, windscreen, and dashboard warning lights. These are the most commonly failed items across all vehicles.
Frequently Asked Questions
What is the Porsche 928 S MOT pass rate?▼
The Porsche 928 S has an overall MOT pass rate of 84.0% based on 1,442 tests. This puts it at #324 out of 605 car models tested.
What are the most common Porsche 928 S MOT failures?▼
The most common failure items are: Tyres (51.5%), Brakes (50.8%), Lamps, reflectors and electrical equipment (34%), Suspension (29.3%), Noise, emissions and leaks (17.8%).
Is the Porsche 928 S reliable?▼
The Porsche 928 S is rated "Good" for MOT reliability, with a pass rate of 84.0% — 1.7 percentage points above the national average. MOT pass rate is one indicator of reliability, alongside owner reviews and recall history.
How much does an MOT cost for a Porsche 928 S?▼
The maximum MOT fee for a Porsche 928 S (Class 4) is £54.85, set by the DVSA. Many garages charge less — you can typically find MOTs for £25–£40. The test itself takes 45–60 minutes.