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1963 Porsche 356b MOT Pass Rate

Pass rate for 356b models manufactured in 1963, based on 40 real MOT test results.

67.5%
Pass Rate
32.5%
Fail Rate
40
Total Tests
65,390
Avg Mileage

Data from official DVSA MOT testing records

1963 Porsche 356b MOT Analysis

The 1963 Porsche 356b has an MOT pass rate of 67.5% based on 40 tests — slightly above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 65,390 miles on the odometer. With a 32.5% failure rate, the 1963 356b is rated as "Good" for MOT reliability.

The leading cause of MOT failure for the 1963 Porsche 356b is Lamps, Reflectors and Electrical Equipment, responsible for 27.5% of failures. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. Typical repair costs range from £5–50. Brakes is the second most common issue at 22.5%. Tyres follows at 7.5%.

⚠ Based on limited data (40 tests)

Top failures specific to 1963 models only. The overall 356b page may show different rankings.

What Fails Most

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
1Lamps, Reflectors And Electrical Equipment27.5%11
2Brakes22.5%9
3Tyres7.5%3
4Driver's View Of The Road7.5%3
5Body, Structure And General Items2.5%1

Failures per 10,000 Miles

avg. 65,390 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.

Lamps & Electrical4.21% per 10K miBrakes3.44% per 10K miTyres1.15% per 10K miVisibility1.15% per 10K miBody & Structure0.38% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Lamps & Electrical4.2127.5%11
Brakes3.4422.5%9
Tyres1.157.5%3
Visibility1.157.5%3
Body & Structure0.382.5%1

Mileage Statistics

65,390
Mean
84,702
Median
70,379
25th Percentile
91,994
75th Percentile
4.97% failures per 10K miles

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

About This Data

The 1963 Porsche 356b has an MOT pass rate of 67.5% based on 40 tests — slightly above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 65,390 miles on the odometer. With a 32.5% failure rate, the 1963 356b is rated as "Good" for MOT reliability.

If you own or are considering buying a 1963 Porsche 356b, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to lamps, reflectors and electrical equipment: Walk around the car and check every light — headlights (dipped and main beam), side lights, tail lights, brake lights, indicators, hazard lights, reverse light, rear fog light, and number plate lights. Replace any blown bulbs before the test. At 65,390 average miles, these vehicles are in the mid-range where component wear starts to become a factor.

Lamps, Reflectors and Electrical Equipment — 27.5% of failures

Lamps, Reflectors and Electrical Equipment issues account for 27.5% of MOT failures on 1963 Porsche 356b models. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. Typical repair costs: £5–50. Pre-MOT check: Walk around the car and check every light — headlights (dipped and main beam), side lights, tail lights, brake lights, indicators, hazard lights, reverse light, rear fog light, and number plate lights. Replace any blown bulbs before the test.

Brakes — 22.5% of failures

Brakes issues account for 22.5% of MOT failures on 1963 Porsche 356b 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).

Tyres — 7.5% of failures

Tyres issues account for 7.5% of MOT failures on 1963 Porsche 356b models. Tyre failures include tread depth below the legal minimum of 1.6mm, cuts, bulges, exposed cords, and incorrect tyre pressure. Tyres are one of the most common and easiest-to-prevent MOT failures. Typical repair costs: £50–200 per tyre. Pre-MOT check: Check tread depth with a 20p coin — if the outer band is visible, the tyre is too worn. Look for bulges, cuts, or embedded objects. Ensure all tyres match the recommended size and load rating.

Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.

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