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Pass Your MOT

2004 Toyota Yaris Blue MOT Pass Rate

Pass rate for Yaris Blue models manufactured in 2004, based on 51 real MOT test results.

78.4%
Pass Rate
21.6%
Fail Rate
51
Total Tests
45,796
Avg Mileage

Data from official DVSA MOT testing records

2004 Toyota Yaris Blue MOT Analysis

The 2004 Toyota Yaris Blue has an MOT pass rate of 78.4% based on 51 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 45,796 miles on the odometer. With a 21.6% failure rate, the 2004 Yaris Blue is rated as "Excellent" for MOT reliability.

The leading cause of MOT failure for the 2004 Toyota Yaris Blue is Tyres, responsible for 9.8% of failures. 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 range from £50–200 per tyre. Lamps, Reflectors and Electrical Equipment is the second most common issue at 3.9%. Registration Plates and VIN follows at 2.0%.

⚠ Based on limited data (51 tests)

Top failures specific to 2004 models only. The overall Yaris Blue page may show different rankings.

What Fails Most

Tyres 9.8%
Registration Plates and VIN 2.0%

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
1Tyres9.8%5
2Lamps, Reflectors And Electrical Equipment3.9%2
3Registration Plates And Vin2.0%1
4Seat Belts And Supplementary Restraint Systems2.0%1
5Brakes2.0%1

Failures per 10,000 Miles

avg. 45,796 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.

Tyres2.14% per 10K miLamps & Electrical0.86% per 10K miRegistration Plates and VIN0.43% per 10K miSeat Belts0.43% per 10K miBrakes0.43% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Tyres2.149.8%5
Lamps & Electrical0.863.9%2
Registration Plates and VIN0.432.0%1
Seat Belts0.432.0%1
Brakes0.432.0%1

Mileage Statistics

45,796
Mean
59,487
Median
36,549
25th Percentile
63,828
75th Percentile
4.72% failures per 10K miles

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

About This Data

The 2004 Toyota Yaris Blue has an MOT pass rate of 78.4% based on 51 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 45,796 miles on the odometer. With a 21.6% failure rate, the 2004 Yaris Blue is rated as "Excellent" for MOT reliability.

If you own or are considering buying a 2004 Toyota Yaris Blue, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to tyres: 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. With relatively low average mileage of 45,796 miles, many of these vehicles are still in good mechanical condition.

Tyres — 9.8% of failures

Tyres issues account for 9.8% of MOT failures on 2004 Toyota Yaris Blue 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.

Lamps, Reflectors and Electrical Equipment — 3.9% of failures

Lamps, Reflectors and Electrical Equipment issues account for 3.9% of MOT failures on 2004 Toyota Yaris Blue 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.

Registration Plates and VIN — 2.0% of failures

Registration Plates and VIN issues account for 2.0% of MOT failures on 2004 Toyota Yaris Blue models. Registration Plates and VIN 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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