Audi Q4 E-Tron S Line 40 MOT pass rate: 88.2% (4,467 tests, 2025)

The Audi Q4 E-Tron S Line 40 passed 88.2% of its 4,467 MOT tests in 2025 — 10.7 points above the UK average of 77.5%. The median tested example was 3 years old with 33,804 miles on the clock.

88.2%Pass rate (2025)

4,467MOT tests analysed

33,804 miMedian mileage at test

3 yrsMedian age at test

How the Q4 E-Tron S Line 40 compares

Audi Q4 E-Tron S Line 40

88.2%

UK average (all Class 4 vehicles)

77.5% across 33.1 million tests

Audi average (all models)

81.8%

What fails most on the Audi Q4 E-Tron S Line 40

Across failed and rectified tests in 2025, these vehicle systems produced the most defects on the Q4 E-Tron S Line 40:

#	System	Defects recorded	Share
1	Tyres	693	100.0%

Pre-MOT checklist for Q4 E-Tron S Line 40 owners

Based on the failure profile above, ten minutes with a torch before your test removes the most likely fail items:

Check tread with the 20p test and inspect sidewalls for cracking — tyres close to the limit are the country’s most common advisory

Check the engine before the tester does

A stored fault code with the engine light on is an automatic Major defect. Scan and clear resolved faults before booking.

Topdon OBD2 scannersTopdon diagnostic scanners with full-system readouts
XTOOL diagnostic toolsXTOOL code readers for petrol and diesel cars
Autel UK testersAutel professional-grade diagnostic testers

Q4 E-Tron S Line 40 pass rate by registration year

Registration year	Tests	Pass rate	Vs same-age	Median mileage
2021	3,242	88.7%	-1.7 pts	32,378
2022	2,596	88.0%	-3.2 pts	31,794

Check a specific Q4 E-Tron S Line 40 before you buy

Pass rates describe the model; they can’t tell you about the one car you’re looking at. Run its plate through our free MOT history check to see its personal record of failures, advisories and mileage readings.

Other Audi models

A378.5% pass rate · 369,274 tests A476.4% pass rate · 225,890 tests A178.6% pass rate · 218,041 tests A579.6% pass rate · 113,772 tests A682.4% pass rate · 111,230 tests Tt80.1% pass rate · 110,604 tests Q381.6% pass rate · 104,391 tests Q584.6% pass rate · 94,382 tests

FAQs

What is the MOT pass rate for a Audi Q4 E-Tron S Line 40?

In 2025, 88.2% of 4,467 first MOT tests on the Audi Q4 E-Tron S Line 40 were passes (UK average: 77.5%). Data: DVSA anonymised MOT results.

What does the Q4 E-Tron S Line 40 fail its MOT on most?

Lighting, tyres and suspension dominate failures across comparable models.

Is the Audi Q4 E-Tron S Line 40 reliable?

MOT pass rate is one lens on durability: at 88.2% it performs above the national average at a median age of 3 years and 33,804 miles. Always check the individual car's history too.

Source: DVSA Anonymised MOT tests and results, 2025 extract (Class 4 initial tests only; retests excluded). Contains public sector information licensed under the Open Government Licence v3.0. Figures rounded to one decimal place.