Audi
1,845 MOT tests analysed. sits above the UK fleet average — here's where RS Q3 Sport ED Tfsi Quattro SAs pass, fail, and end up on the retest sheet.
That's 18.0 points above the UK fleet average across our 1,984 tracked models — a confident result.
Pass
95.5%
Pass-after-fix
0.5%
Fail
3.7%
Avg miles
29,030
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 · 1,845 tests
Pass rate climbs 1.5 points across the cohorts — newer RS Q3 Sport ED Tfsi Quattro SA examples clear the test more reliably than the early cars.
Pass
94.6%
Fail
4.2%
PRS
0.9%
Avg mileage at test
32,712 mi
Pass
96.1%
Fail
3.3%
PRS
0.3%
Avg mileage at test
26,316 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.
The picture
Across 1,845 MOT tests, the Rs Q3 Sport Ed Tfsi Quattro Sa returns 95.5% first-time pass — comfortably ahead of the UK fleet average. The single most-logged Major fail is windscreen damage. A seriously damaged tyre and tyre tread under the limit round out the top three. Average tested mileage sits at 29,030, 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.
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Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view
25 occurrences · 1.4% of tests
A tyre seriously damaged
22 occurrences · 1.2% of tests
Tyre tread depth not in accordance with the requirements
14 occurrences · 0.8% of tests
Number plate does not conform to the specified requirements
11 occurrences · 0.6% of tests
Windscreen or window excessively tinted but not adversely affecting driver's view
8 occurrences · 0.4% of tests
A tyre cords visible or damaged
8 occurrences · 0.4% of tests
A rear registration plate lamp or light source missing or inoperative in the case of multiple lamps or light sources
7 occurrences · 0.4% of tests
Lambda coefficient outside the default limits or the range specified by the manufacturer
4 occurrences · 0.2% of tests
Wiper blade defective
3 occurrences · 0.2% of tests
Brake lining or pad worn down to wear indicator
3 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
£75–£130
If every one of this RS Q3 Sport ED Tfsi Quattro SA'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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Build your own retest budget.
Year-band analysis
First-time MOT pass rate split by registration band. A 1.5-point gap between bands is modest — the year you buy Audi RS Q3 Sport ED Tfsi Quattro SA makes a small but real difference to MOT outcomes.
Best band to buy
96.1%
2021+ registration
the 2021-on band climbs to 96.1% — a 1.5-point improvement. Tests in this band average 26,316 miles — roughly 6K miles fewer on the clock than the older band. Failures here are mostly wear items: has a cut in excess of the…, tread depth below requirements of 1.6mm — the structural issues that drag down older examples don't appear in the top-10 for this band. Post-2020 examples are early in their MOT life and generally show the cleanest records.
Band to be cautious about
94.6%
2018–2020 registration
On the 2018–2020 band, the data shows a 94.6% pass rate against a fleet average of 96.1% on the newer band. The main culprits logged at test: damaged but not adversely affecting driver's view, has a cut in excess of the…, and lambda reading after 2nd fast idle outside…. Average mileage on test for this band is 32,712 miles — high-mileage wear items are a recurring theme.
Best band to buy: 2021+ (96.1% first-time pass). Worst band to avoid: 2018-2020 (94.6% pass). That's a 1.5-point spread across 783 older tests and 1,062 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.
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Item 02 · Amazon UK
MOT-spec replacement number plate
Faded or non-standard plates fail outright. Replacements take ten minutes online with V5C details.
Search Amazon UK
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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 an RS Q3 Sport ED Tfsi Quattro SA 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.