1999 Derbi Gpr50-r MOT Pass Rate
Pass rate for Gpr50-r models manufactured in 1999, based on 76 real MOT test results.
Data from official DVSA MOT testing records
1999 Derbi Gpr50-r MOT Analysis
The 1999 Derbi Gpr50-r has an MOT pass rate of 61.8% based on 76 tests — around the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 20,736 miles on the odometer. With a 38.2% failure rate, the 1999 Gpr50-r is rated as "Average" for MOT reliability.
The leading cause of MOT failure for the 1999 Derbi Gpr50-r is Motorcycle brakes, responsible for 1.3% 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. Motorcycle structure and attachments is the second most common issue at 1.3%.
Top failures specific to 1999 models only. The overall Gpr50-r 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 | Motorcycle Brakes | 1.3% | 1 |
| 2 | Motorcycle Structure And Attachments | 1.3% | 1 |
Failures per 10,000 Miles
avg. 20,736 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 |
|---|---|---|---|
| Motorcycle brakes | 0.63 | 1.3% | 1 |
| Motorcycle structure and attachments | 0.63 | 1.3% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1999 Derbi Gpr50-r has an MOT pass rate of 61.8% based on 76 tests — around the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 20,736 miles on the odometer. With a 38.2% failure rate, the 1999 Gpr50-r is rated as "Average" for MOT reliability.
If you own or are considering buying a 1999 Derbi Gpr50-r, budget for potential repairs before each MOT. Before your MOT, pay particular attention to motorcycle 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 20,736 miles, many of these vehicles are still in good mechanical condition.
Motorcycle brakes — 1.3% of failures
Motorcycle brakes issues account for 1.3% of MOT failures on 1999 Derbi Gpr50-r 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).
Motorcycle structure and attachments — 1.3% of failures
Motorcycle structure and attachments issues account for 1.3% of MOT failures on 1999 Derbi Gpr50-r models. Motorcycle structure and attachments 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.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.