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Porsche Common MOT Faults

MOT pass rates, common failure categories, and reliability ratings for all 8 Porsche models, based on DVSA statistics.

85.4%

Avg Pass Rate

+3.4%

vs National Avg

8

Models

Excellent

Reliability

Porsche vs National Average

The national average MOT pass rate in the UK is approximately 82%. Porsche vehicles perform well above average, suggesting generally good build quality and fewer common defects across their range.

Porsche Average85.4%
National Average82%

Most Common Porsche MOT Failures

The top MOT failure categories across all Porsche models, ranked by average failure percentage.

1

Lamps, reflectors and electrical equipment

12.8%
2

Suspension

11.4%
3

Brakes

10.0%
4

Tyres

9.1%
5

Exhaust, fuel and emissions

6.2%

Porsche MOT Faults — Frequently Asked Questions

Common questions about Porsche reliability and MOT performance.

What are the most common MOT faults on a Porsche?
The most common MOT faults across all Porsche models are: Lamps, reflectors and electrical equipment (12.8%), Suspension (11.4%), Brakes (10.0%). These categories account for the majority of MOT failures on Porsche vehicles. Specific fault rates vary by model — check individual model pages for detailed breakdowns.
What is the average MOT pass rate for Porsche?
The average MOT pass rate across all Porsche models is 85.4%, which is 3.4 percentage points above the national average of 82%. The best-performing model is the Taycan at 91.2%, while the Cayenne has the lowest pass rate at 80.5%.
Which Porsche model is the most reliable?
Based on MOT pass rate data, the most reliable Porsche is the Taycan with a pass rate of 91.2%. This is rated "Excellent" for reliability. However, reliability depends on many factors including age, mileage, and maintenance history — always check a specific vehicle's MOT history before purchasing.
How much does it cost to fix common Porsche MOT faults?
Repair costs for common Porsche MOT faults vary by category. Lighting faults typically cost £20-£80, suspension issues range from £150-£500, brake repairs are usually £100-£400, tyre replacements run £50-£150 per tyre, and exhaust/emissions work can cost £80-£350. These are typical UK garage prices — costs may vary depending on the specific model and your location.

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