2021 Audi Q4 e-tron S line
Price: £20,495. Fair price: £1,020 (5%) over the AskCar estimate of £19,475, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,174 priced Audi Q4 e-tron adverts on AskCar as of 4 November 2026.
AskCar lists 1,180 used Audi Q4 e-tron from 377 UK dealerships, as of 4 November 2026.
Overview
- Make: Audi
- Model: Q4 e-tron
- Trim: S Line
- Version: 40 S Line Auto RWD 5dr (201 bhp)
- Year: 2021
- Mileage: 52,480 miles
- Fuel: Electric
- Body: SUV, 5 doors, 5 seats
- Engine: 201 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 52,480 miles, approximately 20,500 above the typical mileage for its age. The dealer is asking £20,495, which is £1,020 above the AskCar estimate of £19,475. To work out the AskCar estimate, we analyse UK dealer adverts for 1,174 Audi Q4 e-tron cars across different ages and specifications. We first recorded this car for sale 13 days ago. Its advertised mileage matches the government's MOT record. It is advertised by Jack Reid Cars in Carrickfergus. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £1,020 (5%) over the AskCar estimate of £19,475.
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 1,174 priced Audi Q4 e-tron adverts across different ages and specifications, as of 4 November 2026.
Time on sale
This 2021 Audi Q4 e-tron has been on sale for at least 13 days.
Price history
AskCar first saw this advert on 22 October 2026 at £20,495. 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 4 November 2026: valid until 23 August 2027.
It has had 3 MOTs. The latest, on 31 July 2026, passed.
Advisories at the latest test: nearside front outer tyre worn close to legal limit/worn on edge.
Mileage at that test: 51,523 miles, which matches the advertised 52,480 miles.
Advertised mileage is about 20,500 miles higher than the median mileage of a 2021 Audi Q4 e-tron on AskCar.
Similar cars
22 other 2021 Audi Q4 e-tron S Line automatic SUVs are for sale at UK dealers, from £2,000 to £23,388, as of 4 November 2026.
The 3 closest to this car in mileage:
- 2021 Audi Q4 e-tron S Line, SUV, white. Mileage: 50,584 miles. Price: £20,990, £495 more than this car. Dealer: Prestige Cars Of Essex in Harlow. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-27ae895d462e
- 2021 Audi Q4 e-tron S Line, SUV, white. Mileage: 50,200 miles. Price: £17,550, £2,945 less than this car. Dealer: Wcc Auto Group in Heswall. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-1adf2ab04db4
- 2021 Audi Q4 e-tron S Line, SUV, white. Mileage: 50,200 miles. Price: £17,550, £2,945 less than this car. Dealer: Wcc Auto Group in Heswall. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-f745f191af4c
Browse all Audi Q4 e-tron cars for sale · 2021 Audi Q4 e-tron price guide
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Photos
6 photos of this car are on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.