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1990 Proton 1.5 Gls MOT Pass Rate

Pass rate for 1.5 Gls models manufactured in 1990, based on 43 real MOT test results.

62.8%
Pass Rate
37.2%
Fail Rate
43
Total Tests
66,482
Avg Mileage

Data from official DVSA MOT testing records

1990 Proton 1.5 Gls MOT Analysis

The 1990 Proton 1.5 Gls has an MOT pass rate of 62.8% based on 43 tests — around the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 66,482 miles on the odometer. With a 37.2% failure rate, the 1990 1.5 Gls is rated as "Average" for MOT reliability.

The leading cause of MOT failure for the 1990 Proton 1.5 Gls is Brakes, responsible for 4.7% 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. Driver's View of the Road is the second most common issue at 4.7%. Non-component advisories follows at 4.7%.

⚠ Based on limited data (43 tests)

Top failures specific to 1990 models only. The overall 1.5 Gls page may show different rankings.

What Fails Most

Brakes 4.7%
Non-component advisories 4.7%

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
1Brakes4.7%2
2Driver's View Of The Road4.7%2
3Non-component Advisories4.7%2
4Steering4.7%2
5Tyres4.7%2
6Lamps, Reflectors And Electrical Equipment2.3%1

Failures per 10,000 Miles

avg. 66,482 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.

Brakes0.70% per 10K miVisibility0.70% per 10K miNon-component advisories0.70% per 10K miSteering0.70% per 10K miTyres0.70% per 10K miLamps & Electrical0.35% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Brakes0.704.7%2
Visibility0.704.7%2
Non-component advisories0.704.7%2
Steering0.704.7%2
Tyres0.704.7%2
Lamps & Electrical0.352.3%1

Mileage Statistics

66,482
Mean
77,626
Median
49,013
25th Percentile
84,248
75th Percentile
5.60% failures per 10K miles

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

About This Data

The 1990 Proton 1.5 Gls has an MOT pass rate of 62.8% based on 43 tests — around the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 66,482 miles on the odometer. With a 37.2% failure rate, the 1990 1.5 Gls is rated as "Average" for MOT reliability.

If you own or are considering buying a 1990 Proton 1.5 Gls, budget for potential repairs before each MOT. 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 66,482 average miles, these vehicles are in the mid-range where component wear starts to become a factor.

Brakes — 4.7% of failures

Brakes issues account for 4.7% of MOT failures on 1990 Proton 1.5 Gls 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).

Driver's View of the Road — 4.7% of failures

Driver's View of the Road issues account for 4.7% of MOT failures on 1990 Proton 1.5 Gls models. Driver's View of the Road 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.

Non-component advisories — 4.7% of failures

Non-component advisories issues account for 4.7% of MOT failures on 1990 Proton 1.5 Gls models. Non-component advisories 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.

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