The picture
A1 S Line Competition Tfsi S-A: a strong MOT record by UK norms
Across 483 MOT tests, the A1 S Line Competition Tfsi S-A returns 91.3% first-time pass — comfortably ahead of the UK fleet average. The single most-logged Major fail is a seriously damaged tyre. Tyre tread under the limit and windscreen damage round out the top three. Average tested mileage sits at 22,472, which is the lens to read those failure rankings through. If you own one and the next test is close, the ranked list below is a sensible pre-test checklist.
Top ten reasons for rejection.
- 01
A tyre seriously damaged
15 occurrences · 3.1% of tests
- 02
Tyre tread depth not in accordance with the requirements
15 occurrences · 3.1% of tests
- 03
Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view
13 occurrences · 2.7% of tests
- 04
A tyre seriously damaged
5 occurrences · 1.0% of tests
- 05
Excessive fluctuation in brake effort through each wheel revolution.
2 occurrences · 0.4% of tests
- 06
Windscreen or window excessively tinted but not adversely affecting driver's view
2 occurrences · 0.4% of tests
- 07
Wiper blade defective
2 occurrences · 0.4% of tests
- 08
A tyre cords visible or damaged
2 occurrences · 0.4% of tests
- 09
An SRS malfunction indicator lamp (MIL) indicates a system malfunction
2 occurrences · 0.4% of tests
- 10
A tyre has a lump, bulge or tear caused by separation or partial failure of its structure. This includes any lifting of the tread rubber
2 occurrences · 0.4% of tests
Counts cover Major and Dangerous defects logged at test. Advisory items excluded so this shows why a car was rejected, not just what the tester flagged in passing.
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Picked against this car's top failure patterns. Affiliate links to Amazon UK — we earn a small cut at no cost to you. Disclosed up-front, doesn't shape the data.
Buying or keeping a A1 S Line Competition Tfsi S A?
Use the failure ranking as a pre-test checklist or a haggling lever. Treat the headline pass rate as a fleet-wide trend, not a guarantee on any individual car.
If you own a A1 S Line Competition Tfsi S A and your last MOT looked nothing like the ranked failures above, that's normal — individual cars vary widely. The ranking shows the patterns testers flag most often across the country.