The picture
Q7 Sln Blk Ed 50tdi Mhev Qto A: a strong MOT record by UK norms
Across 1,573 MOT tests, the Q7 Sln Blk Ed 50tdi Mhev Qto A returns 89.2% first-time pass — comfortably ahead of the UK fleet average. The single most-logged Major fail is tyre tread under the limit. Windscreen damage and a seriously damaged tyre round out the top three. Average tested mileage sits at 33,107, 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
Tyre tread depth not in accordance with the requirements
65 occurrences · 4.1% of tests
- 02
Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view
57 occurrences · 3.6% of tests
- 03
A tyre seriously damaged
55 occurrences · 3.5% of tests
- 04
A tyre cords visible or damaged
37 occurrences · 2.4% of tests
- 05
Number plate does not conform to the specified requirements
11 occurrences · 0.7% of tests
- 06
a brake lining or pad worn below 1.5mm
10 occurrences · 0.6% of tests
- 07
Engine MIL illuminated indicating a malfunction
10 occurrences · 0.6% of tests
- 08
Brake disc or drum significantly and obviously worn
7 occurrences · 0.4% of tests
- 09
A tyre seriously damaged
6 occurrences · 0.4% of tests
- 10
Wiper blade defective
5 occurrences · 0.3% 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 Q7 Sln Blk ED 50tdi Mhev Qto 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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Build your own retest budget.
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
MOT-spec replacement number plate
Faded or non-standard plates fail outright. Replacements take ten minutes online with V5C details.
Search Amazon UK
Buying or keeping a Q7 Sln Blk ED 50tdi Mhev Qto 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 Q7 Sln Blk ED 50tdi Mhev Qto 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.