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1963 Aston Martin Db4 MOT Pass Rate

Pass rate for Db4 models manufactured in 1963, based on 307 real MOT test results.

91.9%
Pass Rate
8.1%
Fail Rate
307
Total Tests
40,874
Avg Mileage

Data from official DVSA MOT testing records

1963 Aston Martin Db4 MOT Analysis

The 1963 Aston Martin Db4 has an MOT pass rate of 91.9% based on 307 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 40,874 miles on the odometer. With a 8.1% failure rate, the 1963 Db4 is rated as "Excellent" for MOT reliability.

The leading cause of MOT failure for the 1963 Aston Martin Db4 is Brakes, responsible for 0.3% 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.

Top failures specific to 1963 models only. The overall Db4 page may show different rankings.

What Fails Most

Brakes 0.3%

What Fails on This Car?

Click a category to see specific failure items.

View as table
MOT failure categories ranked by failure rate
RankFailure CategoryRate (%)Count
1Brakes0.3%1

Failures per 10,000 Miles

avg. 40,874 mi

For 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.

Brakes0.08% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Brakes0.080.3%1

Mileage Statistics

40,874
Mean
44,412
Median
32,008
25th Percentile
69,347
75th Percentile
1.98% failures per 10K miles

Mileage-adjusted failure rate — accounts for how much this model year is typically driven.

About This Data

The 1963 Aston Martin Db4 has an MOT pass rate of 91.9% based on 307 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 40,874 miles on the odometer. With a 8.1% failure rate, the 1963 Db4 is rated as "Excellent" for MOT reliability.

If you own or are considering buying a 1963 Aston Martin Db4, 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 40,874 miles, many of these vehicles are still in good mechanical condition.

Brakes — 0.3% of failures

Brakes issues account for 0.3% of MOT failures on 1963 Aston Martin Db4 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.

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