2021 Audi Q4 e-tron S line
Price: £21,545. Fair price: £559 (2%) over the AskCar estimate of £20,986, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,137 priced Audi Q4 e-tron adverts on AskCar as of 2 November 2026.
AskCar lists 1,155 used Audi Q4 e-tron from 372 UK dealerships, as of 2 November 2026.
Overview
- Make: Audi
- Model: Q4 e-tron
- Trim: S Line
- Version: 40 S Line Auto RWD 5dr (201 bhp)
- Year: 2021
- Mileage: 37,500 miles
- Fuel: Electric
- Body: SUV, 5 doors, 5 seats
- Engine: 201 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Black
- CO2: 0 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 Audi Q4 e-tron S Line has covered 37,500 miles, around 4,200 more miles than is typical for its age. Priced at £21,545, it is advertised £559 above the AskCar estimate of £20,986. The AskCar estimate uses UK dealer asking prices, including 1,137 Audi Q4 e-tron adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 17 days ago. Its advertised mileage matches the government's MOT record. The seller is Drift Bridge Audi Approved - Epsom, based in Epsom. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £559 (2%) over the AskCar estimate of £20,986.
The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.
It draws on 1,137 priced Audi Q4 e-tron adverts across different ages and specifications, as of 2 November 2026.
Time on sale
This 2021 Audi Q4 e-tron has been on sale for at least 17 days.
Price history
AskCar first saw this advert on 16 October 2026 at £21,545. Its asking price has not changed.
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 13 October 2027.
It has had 3 MOTs. The latest, on 16 September 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 37,405 miles, which matches the advertised 37,500 miles.
Advertised mileage is about 4,200 miles higher than the median mileage of a 2021 Audi Q4 e-tron on AskCar.
Similar cars
21 other 2021 Audi Q4 e-tron S Line automatic SUVs are for sale at UK dealers, from £2,000 to £23,388, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2021 Audi Q4 e-tron S Line, SUV, blue. Mileage: 39,998 miles. Price: £17,990, £3,555 less than this car. Dealer: Bella Cars in Huddersfield. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-efddda745be9
- 2021 Audi Q4 e-tron S Line, SUV, white. Mileage: 35,000 miles. Price: £19,990, £1,555 less than this car. Dealer: Audi Saab in Liverpool. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-45faf544cbb9
- 2021 Audi Q4 e-tron S Line, SUV, black. Mileage: 40,488 miles. Price: £18,599, £2,946 less than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-8e8ff0074bb3
- The nearest: 2021 Audi Q4 e-tron S Line, SUV, white, 27 miles from this car. Mileage: 31,750 miles. Price: £20,995, £550 less than this car. Dealer: Aspire International Sourcing in Wrecclesham. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-d05dc468096f
Browse all Audi Q4 e-tron cars for sale · 2021 Audi Q4 e-tron price guide
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Photos
3 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.