1988 Porsche 911 Turbo Cabriolet MOT Pass Rate
Pass rate for 911 Turbo Cabriolet models manufactured in 1988, based on 48 real MOT test results.
Data from official DVSA MOT testing records
1988 Porsche 911 Turbo Cabriolet MOT Analysis
The 1988 Porsche 911 Turbo Cabriolet has an MOT pass rate of 83.3% based on 48 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 43,015 miles on the odometer. With a 16.7% failure rate, the 1988 911 Turbo Cabriolet is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 1988 Porsche 911 Turbo Cabriolet is Driver's View of the Road, responsible for 4.2% of failures. Driver's View of the Road 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. Suspension is the second most common issue at 4.2%.
Top failures specific to 1988 models only. The overall 911 Turbo Cabriolet 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 | Driver's View Of The Road | 4.2% | 2 |
| 2 | Suspension | 4.2% | 2 |
Failures per 10,000 Miles
avg. 43,015 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 |
|---|---|---|---|
| Visibility | 0.97 | 4.2% | 2 |
| Suspension | 0.97 | 4.2% | 2 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1988 Porsche 911 Turbo Cabriolet has an MOT pass rate of 83.3% based on 48 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 43,015 miles on the odometer. With a 16.7% failure rate, the 1988 911 Turbo Cabriolet is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 1988 Porsche 911 Turbo Cabriolet, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to driver's view of the road: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights. With relatively low average mileage of 43,015 miles, many of these vehicles are still in good mechanical condition.
Driver's View of the Road — 4.2% of failures
Driver's View of the Road issues account for 4.2% of MOT failures on 1988 Porsche 911 Turbo Cabriolet models. Driver's View of the Road 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.
Suspension — 4.2% of failures
Suspension issues account for 4.2% of MOT failures on 1988 Porsche 911 Turbo Cabriolet models. Suspension failures typically involve worn bushes, leaking shock absorbers, broken coil springs, and damaged suspension arms. These affect ride quality, tyre wear, and road holding. Typical repair costs: £200–500. Pre-MOT check: Look for uneven tyre wear, listen for clunking over bumps, and check if the car pulls to one side. A bouncy ride suggests worn shock absorbers. Visually inspect coil springs for cracks.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.