The picture
Q3 S Line 35 Tfsi Mhev S-A: a strong MOT record by UK norms
Across 3,008 MOT tests, the Q3 S Line 35 Tfsi Mhev S-A returns 93.6% first-time pass — comfortably ahead of the UK fleet average. The single most-logged Major fail is a seriously damaged tyre. Windscreen damage and tyre tread under the limit round out the top three. Average tested mileage sits at 22,959, 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
62 occurrences · 2.1% of tests
- 02
Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view
52 occurrences · 1.7% of tests
- 03
Tyre tread depth not in accordance with the requirements
46 occurrences · 1.5% of tests
- 04
A tyre cords visible or damaged
14 occurrences · 0.5% of tests
- 05
Brake disc or drum excessively weakened, insecure or fractured
13 occurrences · 0.4% of tests
- 06
Brake disc or drum significantly and obviously worn
11 occurrences · 0.4% of tests
- 07
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
10 occurrences · 0.3% of tests
- 08
a brake lining or pad worn below 1.5mm
8 occurrences · 0.3% of tests
- 09
Excessive fluctuation in brake effort through each wheel revolution.
8 occurrences · 0.3% of tests
- 10
Wiper blade defective
7 occurrences · 0.2% 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 2 failures
£120–£190
If every one of this Q3 S Line 35 Tfsi Mhev S A'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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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 Q3 S Line 35 Tfsi Mhev 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 Q3 S Line 35 Tfsi Mhev 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.