The picture
A3 Technik 30 Tfsi: a strong MOT record by UK norms
Across 1,127 MOT tests, the A3 Technik 30 Tfsi returns 89.0% 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 a tyre with the cords showing round out the top three. Average tested mileage sits at 25,121, 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
50 occurrences · 4.4% of tests
- 02
Tyre tread depth not in accordance with the requirements
19 occurrences · 1.7% of tests
- 03
A tyre cords visible or damaged
16 occurrences · 1.4% of tests
- 04
Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view
14 occurrences · 1.2% of tests
- 05
Wiper blade defective
6 occurrences · 0.5% of tests
- 06
A tyre seriously damaged
6 occurrences · 0.5% of tests
- 07
An SRS malfunction indicator lamp (MIL) indicates a system malfunction
5 occurrences · 0.4% of tests
- 08
A tyre seriously damaged
5 occurrences · 0.4% of tests
- 09
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
4 occurrences · 0.4% of tests
- 10
The aim of a headlamp is not within limits laid down in the requirements
4 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.
Worst-case fix budget · top 3 failures
£140–£235
If every one of this A3 Technik 30 Tfsi's most-logged Major fails hit at the same MOT, that's the real-world UK garage range. Reality is usually one or two items, not all of them. Open the estimator →
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Tools that pre-empt a retest.
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.
Item 01 · Amazon UK
Digital tyre-tread depth gauge
Five quid for a gauge beats £150 for a retest. UK MOT minimum is 1.6mm — most testers fail anything below 2mm to be safe.
Search Amazon UK
Item 02 · Amazon UK
Bosch Aerotwin wiper blades
Cheap wipers fail the test on smear streaks. Bosch Aerotwins last a winter and clear a screen properly.
Search Amazon UK
Buying or keeping a A3 Technik 30 Tfsi?
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 A3 Technik 30 Tfsi 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.