2021 Audi Q4 e-tron S line

Price: £20,950. Fair price: £1,683 (7%) under the AskCar estimate of £22,633, 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: 22,000 miles
  • Fuel: Electric
  • Body: SUV, 5 doors, 5 seats
  • Engine: 201 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Silver
  • CO2: 0 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2021 Audi Q4 e-tron S Line is 22,000 miles. Its asking price of £20,950 is £1,683 below the AskCar estimate of £22,633. 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. We have tracked this advert for 158 days. The advertised mileage is lower than the latest MOT reading of 29,228 miles. Ask the dealer to explain. Its recorded MOT is valid until 1 December 2026. It is for sale at Autotech Cars in Nottingham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,683 (7%) under the AskCar estimate of £22,633.

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 158 days.

Price history

AskCar first saw this advert on 28 May 2026 at £20,950. 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 1 December 2026.

It has had 2 MOTs. The latest, on 27 November 2025, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 29,228 miles. The advert says 22,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 11,300 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, purple. Mileage: 21,542 miles. Price: £19,700, £1,250 less than this car. Dealer: Carworld Car Supermarket in Peterborough. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-bc436b78ec81
  • 2021 Audi Q4 e-tron S Line, SUV, grey. Mileage: 24,120 miles. Price: £23,388, £2,438 more than this car. Dealer: Marriott Motor Group Bury St Edmunds Audi in Bury St Edmunds. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-cf03c0a9250f
  • 2021 Audi Q4 e-tron S Line, SUV, silver. Mileage: 25,521 miles. Price: £21,799, £849 more than this car. Dealer: Eastern Western Motor Group Audi Stirling in Stirling. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-6ff2fa46974b
  • The nearest: 2021 Audi Q4 e-tron S Line, SUV, black, 16 miles from this car. Mileage: 82,561 miles. Price: £2,000, £18,950 less than this car. Dealer: Car Quay in Derby. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-dc3f2ab7a5db

Browse all Audi Q4 e-tron cars for sale · 2021 Audi Q4 e-tron price guide

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Photos

30 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.