Audi
1,516 MOT tests analysed. sits above the UK fleet average — here's where RS Q8 Vsprung Tfsi Mhev Quat As pass, fail, and end up on the retest sheet.
That's 17.7 points above the UK fleet average across our 1,984 tracked models — a confident result.
Pass
95.3%
Pass-after-fix
1.0%
Fail
3.4%
Avg miles
29,328
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 · 1,516 tests
Pass rate climbs 2.0 points across the cohorts — newer RS Q8 Vsprung Tfsi Mhev Quat A examples clear the test more reliably than the early cars.
Pass
94.4%
Fail
3.4%
PRS
1.6%
Avg mileage at test
32,055 mi
Pass
96.4%
Fail
3.4%
PRS
0.2%
Avg mileage at test
25,593 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.
The picture
Across 1,516 MOT tests, the Rs Q8 Vsprung Tfsi Mhev Quat A returns 95.3% 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 a tyre with the cords showing round out the top three. Average tested mileage sits at 29,328, 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.
Filter failures:
Hide categories
Tick a category to hide it from rankings sitewide. Saved in this browser only.
A tyre seriously damaged
28 occurrences · 1.8% of tests
Tyre tread depth not in accordance with the requirements
16 occurrences · 1.1% of tests
A tyre cords visible or damaged
9 occurrences · 0.6% of tests
Number plate does not conform to the specified requirements
9 occurrences · 0.6% of tests
Emissions test unable to be completed
4 occurrences · 0.3% of tests
Emission control equipment fitted by the manufacturer missing, obviously modified or obviously defective
4 occurrences · 0.3% of tests
Engine MIL illuminated indicating a malfunction
3 occurrences · 0.2% of tests
Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view
2 occurrences · 0.1% of tests
A tyre cords visible or damaged
1 occurrences · 0.1% of tests
Wiper blade defective
1 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
£135–£225
If every one of this RS Q8 Vsprung Tfsi Mhev Quat 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 2.0-point gap between bands is modest — the year you buy Audi RS Q8 Vsprung Tfsi Mhev Quat A makes a small but real difference to MOT outcomes.
Best band to buy
96.4%
2021+ registration
the 2021-on band climbs to 96.4% — a 2.0-point improvement. Tests in this band average 25,593 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…, does not conform to the specified requirements — 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
94.4%
2018–2020 registration
On the 2018–2020 band, the data shows a 94.4% pass rate against a fleet average of 96.4% on the newer band. The main culprits logged at test: tread depth below requirements of 1.6mm, has a cut in excess of the…, and has ply or cords exposed. Average mileage on test for this band is 32,055 miles — high-mileage wear items are a recurring theme.
Best band to buy: 2021+ (96.4% first-time pass). Worst band to avoid: 2018-2020 (94.4% pass). That's a 2.0-point spread across 874 older tests and 642 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
MOT-spec replacement number plate
Faded or non-standard plates fail outright. Replacements take ten minutes online with V5C details.
Search Amazon UK
My Motor World · affiliate
Affiliate links — small commission, no extra cost to you.
Summit
Summit ADRG-215 Audi Replacement Stick-On Tinted Mirror Glass RHS
£9.89
View at My Motor World →
Summit
Summit ADRG-216 Audi Replacement Stick-On Tinted Mirror Glass LHS
£14.29
View at My Motor World →
Draper Expert
Draper Expert Oil Filter Socket for Audi, BMW, Mercedes-Benz, Porsche and VW
£18.69
View at My Motor World →
Draper Expert
Draper Expert Audi/VW Drain Plug Key, 1/2" Sq. Dr.
£21.99
View at My Motor World →
Click Mechanic · affiliate
Affiliate links — small commission, no extra cost to you.
Mobile mechanic · UK-wide
Book a mechanic at your door.
Fixed-price quotes upfront. No garage needed. Click Mechanic sends a vetted local mechanic to you — home, work, or roadside.
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 Q8 Vsprung Tfsi Mhev Quat 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.