2005 Audi A4 S Line Quattro A MOT Pass Rate
Pass rate for A4 S Line Quattro A models manufactured in 2005, based on 78 real MOT test results.
Data from official DVSA MOT testing records
2005 Audi A4 S Line Quattro A MOT Analysis
The 2005 Audi A4 S Line Quattro A has an MOT pass rate of 62.8% based on 78 tests — around the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 65,573 miles on the odometer. With a 37.2% failure rate, the 2005 A4 S Line Quattro A is rated as "Average" for MOT reliability.
The leading cause of MOT failure for the 2005 Audi A4 S Line Quattro A is Non-component advisories, responsible for 2.6% of failures. 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 range from £100–400. Tyres is the second most common issue at 2.6%. Lamps, Reflectors and Electrical Equipment follows at 2.6%.
Top failures specific to 2005 models only. The overall A4 S Line Quattro A 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 | Non-component Advisories | 2.6% | 2 |
| 2 | Tyres | 2.6% | 2 |
| 3 | Lamps, Reflectors And Electrical Equipment | 2.6% | 2 |
| 4 | Driver's View Of The Road | 1.3% | 1 |
Failures per 10,000 Miles
avg. 65,573 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.
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| Category | Rate / 10K mi | Raw % | Count |
|---|---|---|---|
| Non-component advisories | 0.39 | 2.6% | 2 |
| Tyres | 0.39 | 2.6% | 2 |
| Lamps & Electrical | 0.39 | 2.6% | 2 |
| Visibility | 0.20 | 1.3% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 2005 Audi A4 S Line Quattro A has an MOT pass rate of 62.8% based on 78 tests — around the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 65,573 miles on the odometer. With a 37.2% failure rate, the 2005 A4 S Line Quattro A is rated as "Average" for MOT reliability.
If you own or are considering buying a 2005 Audi A4 S Line Quattro A, budget for potential repairs before each MOT. Before your MOT, pay particular attention to non-component advisories: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights. At 65,573 average miles, these vehicles are in the mid-range where component wear starts to become a factor.
Non-component advisories — 2.6% of failures
Non-component advisories issues account for 2.6% of MOT failures on 2005 Audi A4 S Line Quattro A 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.
Tyres — 2.6% of failures
Tyres issues account for 2.6% of MOT failures on 2005 Audi A4 S Line Quattro A 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 — 2.6% of failures
Lamps, Reflectors and Electrical Equipment issues account for 2.6% of MOT failures on 2005 Audi A4 S Line Quattro A 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.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.