2005 Porsche 997 MOT Pass Rate
Pass rate for 997 models manufactured in 2005, based on 51 real MOT test results.
Data from official DVSA MOT testing records
2005 Porsche 997 MOT Analysis
The 2005 Porsche 997 has an MOT pass rate of 88.2% based on 51 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 56,681 miles on the odometer. With a 11.8% failure rate, the 2005 997 is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 2005 Porsche 997 is Registration Plates and VIN, responsible for 3.9% of failures. Registration Plates and VIN issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. Typical repair costs range from £100–400. Tyres is the second most common issue at 3.9%.
Top failures specific to 2005 models only. The overall 997 page may show different rankings.
What Fails Most
What Fails on This Car?
Click a category to see specific failure items.
View as table
| Rank | Failure Category | Rate (%) | Count |
|---|---|---|---|
| 1 | Registration Plates And Vin | 3.9% | 2 |
| 2 | Tyres | 3.9% | 2 |
Failures per 10,000 Miles
avg. 56,681 miFor every 10,000 miles driven, this shows what percentage of MOT tests fail for each category. This accounts for how far cars are actually driven, not just raw pass/fail counts.
View as table
| Category | Rate / 10K mi | Raw % | Count |
|---|---|---|---|
| Registration Plates and VIN | 0.69 | 3.9% | 2 |
| Tyres | 0.69 | 3.9% | 2 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 2005 Porsche 997 has an MOT pass rate of 88.2% based on 51 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 56,681 miles on the odometer. With a 11.8% failure rate, the 2005 997 is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 2005 Porsche 997, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to registration plates and vin: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights. At 56,681 average miles, these vehicles are in the mid-range where component wear starts to become a factor.
Registration Plates and VIN — 3.9% of failures
Registration Plates and VIN issues account for 3.9% of MOT failures on 2005 Porsche 997 models. Registration Plates and VIN issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. Typical repair costs: £100–400. Pre-MOT check: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights.
Tyres — 3.9% of failures
Tyres issues account for 3.9% of MOT failures on 2005 Porsche 997 models. Tyre failures include tread depth below the legal minimum of 1.6mm, cuts, bulges, exposed cords, and incorrect tyre pressure. Tyres are one of the most common and easiest-to-prevent MOT failures. Typical repair costs: £50–200 per tyre. Pre-MOT check: Check tread depth with a 20p coin — if the outer band is visible, the tyre is too worn. Look for bulges, cuts, or embedded objects. Ensure all tyres match the recommended size and load rating.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.