1974 Chevrolet Unclassified MOT Pass Rate
Pass rate for Unclassified models manufactured in 1974, based on 30 real MOT test results.
Data from official DVSA MOT testing records
1974 Chevrolet Unclassified MOT Analysis
The 1974 Chevrolet Unclassified has an MOT pass rate of 83.3% based on 30 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 51,461 miles on the odometer. With a 16.7% failure rate, the 1974 Unclassified is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 1974 Chevrolet Unclassified is Brakes, responsible for 10.0% 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.
Top failures specific to 1974 models only. The overall Unclassified 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 | Brakes | 10.0% | 3 |
Failures per 10,000 Miles
avg. 51,461 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 | 1.94 | 10.0% | 3 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1974 Chevrolet Unclassified has an MOT pass rate of 83.3% based on 30 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 51,461 miles on the odometer. With a 16.7% failure rate, the 1974 Unclassified is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 1974 Chevrolet Unclassified, 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). At 51,461 average miles, these vehicles are in the mid-range where component wear starts to become a factor.
Brakes — 10.0% of failures
Brakes issues account for 10.0% of MOT failures on 1974 Chevrolet Unclassified 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).
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.