2021 Audi Q4 e-tron S line
Price: £20,995. Fair price: £1,323 (6%) over the AskCar estimate of £19,672, 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: 35 S Line Auto RWD 5dr (167 bhp)
- Year: 2021
- Mileage: 31,750 miles
- Fuel: Electric
- Body: SUV, 5 doors, 5 seats
- Engine: 167 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: White
- CO2: 0 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 Audi Q4 e-tron S Line is advertised with 31,750 miles on the clock. Its asking price of £20,995 is £1,323 above the AskCar estimate of £19,672. The AskCar estimate uses 1,137 UK dealer adverts for the Audi Q4 e-tron, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 21 days. The government's MOT record matches its advertised mileage. It is advertised by Aspire International Sourcing in Farnham. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £1,323 (6%) over the AskCar estimate of £19,672.
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 21 days.
Price history
AskCar first saw this advert on 12 October 2026 at £20,995. 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 9 October 2027.
It has had 4 MOTs. The latest, on 10 October 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 31,746 miles, which matches the advertised 31,750 miles.
Advertised mileage is about 1,600 miles lower 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: 31,635 miles. Price: £19,996, £999 less than this car. Dealer: Hammond Cars Ipswich in Ipswich. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-7daddf0d8d19
- 2021 Audi Q4 e-tron S Line, SUV, blue. Mileage: 32,609 miles. Price: £21,399, £404 more than this car. Dealer: car360 in Cannock. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-483020d2d3b4
- 2021 Audi Q4 e-tron S Line, SUV, blue. Mileage: 34,000 miles. Price: £21,490, £495 more than this car. Dealer: S James Prestige in Essendine. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-ae3115133e67
- The nearest: 2021 Audi Q4 e-tron S Line, SUV, black, 27 miles from this car. Mileage: 37,500 miles. Price: £21,545, £550 more than this car. Dealer: Drift Bridge Audi Approved - Epsom in Epsom. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-3d1a1e42410e
Browse all Audi Q4 e-tron cars for sale · 2021 Audi Q4 e-tron price guide
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Photos
70 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.