2021 Audi A1 S Line Competition Tfsi S-a MOT Pass Rate
Pass rate for A1 S Line Competition Tfsi S-a models manufactured in 2021, based on 132 real MOT test results.
Data from official DVSA MOT testing records
This page shows all A1 S Line Competition Tfsi S-a cars tested in 2021. Want to see how cars built in 2021 hold up over time?
View 2021 Audi A1 S Line Competition Tfsi S-a vintage page → (98.5% current pass rate)2021 Audi A1 S Line Competition Tfsi S-a MOT Analysis
The 2021 Audi A1 S Line Competition Tfsi S-a has an MOT pass rate of 98.5% based on 132 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 22,637 miles on the odometer. With a 1.5% failure rate, the 2021 A1 S Line Competition Tfsi S-a is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 2021 Audi A1 S Line Competition Tfsi S-a is Brakes, responsible for 0.8% 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. Visibility is the second most common issue at 0.8%.
Top failures specific to 2021 models only. The overall A1 S Line Competition Tfsi S-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 | Brakes | 0.8% | 1 |
| 2 | Visibility | 0.8% | 1 |
Failures per 10,000 Miles
avg. 22,637 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.
View as table
| Category | Rate / 10K mi | Raw % | Count |
|---|---|---|---|
| Brakes | 0.33 | 0.8% | 1 |
| Visibility | 0.33 | 0.8% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 2021 Audi A1 S Line Competition Tfsi S-a has an MOT pass rate of 98.5% based on 132 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 22,637 miles on the odometer. With a 1.5% failure rate, the 2021 A1 S Line Competition Tfsi S-a is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 2021 Audi A1 S Line Competition Tfsi S-a, 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 22,637 miles, many of these vehicles are still in good mechanical condition.
Brakes — 0.8% of failures
Brakes issues account for 0.8% of MOT failures on 2021 Audi A1 S Line Competition Tfsi S-a 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).
Visibility — 0.8% of failures
Visibility issues account for 0.8% of MOT failures on 2021 Audi A1 S Line Competition Tfsi S-a models. Visibility failures relate to the windscreen, wipers, washers, mirrors, and view-obstructing damage. Cracks in the windscreen swept area, ineffective wipers, or empty washer bottles are common causes. Typical repair costs: £10–300. Pre-MOT check: Check the windscreen for chips and cracks — damage larger than 10mm in the driver's swept area or 40mm elsewhere will fail. Test washers and wipers. Ensure both door mirrors are intact and adjustable.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.