Audi
9,335 MOT tests analysed. sits above the UK fleet average — here's where Q3 S Line 35 Tfsi Mhev S As pass, fail, and end up on the retest sheet.
That's 16.2 points above the UK fleet average across our 1,984 tracked models — a confident result.
Pass
93.7%
Pass-after-fix
1.2%
Fail
4.6%
Avg miles
28,597
Pass + Pass-after-fix + Fail = 100%
Petrol cars first registered from January 2006 meet Euro 4 — compliant in London ULEZ, Birmingham CAZ, Bristol CAZ, and Glasgow LEZ.
Performance by cohort
2 year bands · 9,335 tests
Pass rate drops 1.0 points across the cohorts — recent Q3 S Line 35 Tfsi Mhev S A examples are doing worse than the early cars at the same tested age.
Pass
94.2%
Fail
4.3%
PRS
1.1%
Avg mileage at test
30,765 mi
Pass
93.2%
Fail
5.0%
PRS
1.4%
Avg mileage at test
25,737 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.
The picture
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.
ABI Insurance Group
Above average — worth comparing quotes before buying. Lower groups cost less to insure; UK fleet average is around Group 22.
Source: ABI Group Rating Panel · administered by Thatcham Research · groups cover standard variants; performance trims may sit higher. Browse all insurance groups →
22–34
out of 50
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Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view
147 occurrences · 1.6% of tests
A tyre seriously damaged
133 occurrences · 1.4% of tests
Tyre tread depth not in accordance with the requirements
79 occurrences · 0.8% of tests
A tyre cords visible or damaged
59 occurrences · 0.6% of tests
Wiper blade defective
49 occurrences · 0.5% of tests
a brake lining or pad worn below 1.5mm
44 occurrences · 0.5% of tests
Brake disc or drum significantly and obviously worn
27 occurrences · 0.3% of tests
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
15 occurrences · 0.2% of tests
A tyre seriously damaged
14 occurrences · 0.1% of tests
Number plate does not conform to the specified requirements
14 occurrences · 0.1% 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 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 →
Try the calculator
Build your own retest budget.
Year-band analysis
First-time MOT pass rate split by registration band. A 1.0-point gap between bands is modest — the year you buy Audi Q3 S Line 35 Tfsi Mhev S A makes a small but real difference to MOT outcomes.
Best band to buy
94.2%
2018–2020 registration
the 2018–2020 band climbs to 94.2% — a 1.0-point improvement. Failures here are mostly wear items: damaged but not adversely affecting driver's view, has a cut in excess of the… — the structural issues that drag down older examples don't appear in the top-10 for this band.
Band to be cautious about
93.2%
2021+ registration
On the 2021-on band, the data shows a 93.2% pass rate against a fleet average of 94.2% on the newer band. The main culprits logged at test: has a cut in excess of the…, damaged but not adversely affecting driver's view, and has ply or cords exposed. Average mileage on test for this band is 25,737 miles — high-mileage wear items are a recurring theme.
Best band to buy: 2018-2020 (94.2% first-time pass). Worst band to avoid: 2021+ (93.2% pass). That's a 1.0-point spread across 4,027 older tests and 5,308 newer ones — year of build makes a material difference on this model.
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
My Motor World · affiliate
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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.
