1991 Chevrolet Corvette MOT Pass Rate
Pass rate for Corvette models manufactured in 1991, based on 73 real MOT test results.
Data from official DVSA MOT testing records
1991 Chevrolet Corvette MOT Analysis
The 1991 Chevrolet Corvette has an MOT pass rate of 87.7% based on 73 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 47,609 miles on the odometer. With a 12.3% failure rate, the 1991 Corvette is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 1991 Chevrolet Corvette is Brakes, responsible for 8.2% of failures. Brake-related failures include worn brake pads, corroded brake discs, leaking brake lines, and faulty brake servos. These are safety-critical components — any brake deficiency will result in an MOT fail. Typical repair costs range from £150–400. Steering is the second most common issue at 1.4%.
Top failures specific to 1991 models only. The overall Corvette page may show different rankings.
What Fails Most
What Fails on This Car?
Click a category to see specific failure items.
Failures per 10,000 Miles
avg. 47,609 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 |
|---|---|---|---|
| Brakes | 1.73 | 8.2% | 6 |
| Steering | 0.29 | 1.4% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1991 Chevrolet Corvette has an MOT pass rate of 87.7% based on 73 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 47,609 miles on the odometer. With a 12.3% failure rate, the 1991 Corvette is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 1991 Chevrolet Corvette, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to brakes: Listen for squealing or grinding noises. Check brake pedal feel — if it feels spongy or goes to the floor, have the system inspected immediately. Look at brake pad thickness through the wheel spokes (minimum 3mm). With relatively low average mileage of 47,609 miles, many of these vehicles are still in good mechanical condition.
Brakes — 8.2% of failures
Brakes issues account for 8.2% of MOT failures on 1991 Chevrolet Corvette models. Brake-related failures include worn brake pads, corroded brake discs, leaking brake lines, and faulty brake servos. These are safety-critical components — any brake deficiency will result in an MOT fail. Typical repair costs: £150–400. Pre-MOT check: Listen for squealing or grinding noises. Check brake pedal feel — if it feels spongy or goes to the floor, have the system inspected immediately. Look at brake pad thickness through the wheel spokes (minimum 3mm).
Steering — 1.4% of failures
Steering issues account for 1.4% of MOT failures on 1991 Chevrolet Corvette models. Steering failures include excessive play in the steering wheel, leaking power steering fluid, worn track rod ends, and damaged steering rack. These affect vehicle control and are closely related to suspension wear. Typical repair costs: £150–600. Pre-MOT check: Check for excessive steering wheel play (more than a few inches of free movement). Listen for whining from the power steering pump. Look for fluid leaks under the car near the front wheels.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.