12V battery drain / software faults (early cars)
usually 0–80,000 km · Medium risk
model years 2020–2022 only
Signs: Car won't wake up, infotainment reboots
Fix: Software updates at the dealer; 12V battery
€0–300
Common faults, service intervals and costs
Audi Q4 e-tron
2021–now
1
engines covered
2
known faults
3,334
roadworthiness tests in the statistics
Enter your VIN and mileage and get a plan built for your exact engine and gearbox.
The Audi Q4 e-tron has been built since 2021.
For this generation we cover 1 engines and 2 known faults, each with the mileage range where it usually appears.
The most expensive known risk is 12V battery drain / software faults (early cars): it usually appears at 0–80,000 km and costs €0–300 to fix.
In UK roadworthiness tests in 2024, at 0–50 thousand km this model most often failed on: tyres and wheels (9.2 %), lights, wipers and visibility (2.1 %), suspension (0.2 %). It fails more often than an average car of the same age and mileage on: tyres and wheels. It fails less often than average on: lights, wipers and visibility.
Engines
| Engine | Fuel | Timing drive | Oil |
|---|---|---|---|
| Electric (VW group MEB / e-up!) | Electric | None (EV) | — |
Faults by engine
Electric (VW group MEB / e-up!)
HV battery capacity loss
usually 150,000–300,000 km · Wear part
Signs: Range ~10% below new
Fix: Normal ageing; covered 8 yr / 160,000 km
free / recall
Scheduled service
Intervals and typical prices for the Electric (VW group MEB / e-up!) engine. Other engines differ in oil, timing drive and some filters; the app gives the exact plan.
| Item | Interval | Typical price |
|---|---|---|
| Tyre rotationWheels | every 10,000 km | €20–45 |
| Cabin (pollen) filterClimate | every 15,000 km or every 12 months | €15–40 |
| Brake fluidBrakes | every 24 months | €50–95 |
| A/C service (regas + desiccant)Climate | every 24 months | €70–150 |
| Drive unit oil checkTransmission | every 150,000 km | €0–120 |
| Brake pads (regen-assisted)Brakes | usually at 80,000–160,000 km | €60–150 |
| Tyres (set of 4, EV-rated)Wheels | usually at 30,000–50,000 km | €450–900 |
| Wiper bladesBody | checked at service | €20–50 |
| 12V batteryElectrical | checked at service | €100–220 |
Roadworthiness tests by mileage
Share of tests in the United Kingdom (DVSA MOT, 2024) that this model failed because of each system. Bold red means more often and green less often than an average car of the same age and mileage. Sample: 3,334 tests.
| thousand km | 0–50 | 50–100 |
|---|---|---|
| Brakes | 0.1 % | 0.2 % |
| Suspension | 0.2 % | 0.4 % |
| Steering | 0.0 % | 0.1 % |
| Tyres and wheels | 9.2 % | 10.5 % |
| Lights, wipers and visibility | 2.1 % | 3.2 % |
| Body and corrosion | 0.0 % | 0.0 % |
| Exhaust, emissions and leaks | 0.0 % | 0.0 % |
Other generations
Audi Q2 2016–Audi Q3 (8U) 2011–2018Audi Q3 (F3) 2018–Audi Q5 (8R) 2008–2017Audi Q5 (FY) 2017–Audi Q7 (4L) 2006–2015Audi Q7 (4M) 2015–Audi Q6 e-tron 2024–
Sources and notes
Faults, intervals and prices are indicative and collected from public sources and owner experience; always rely on the service book and a qualified workshop. Test statistics: DVSA – Anonymised MOT tests and results, Open Government Licence v3.0. Owner complaints: NHTSA ODI (public domain). Recalls: DVSA Vehicle Safety Branch Recalls Database, OGL v3.0. Brand and model names are trademarks of their owners and are used only to describe the vehicles.
Updated 07/10/2026