2021 Audi Q4 e-tron S line

Overview

• Make: Audi
• Model: Q4 e-tron
• Trim: S Line
• Version: 35 S Line Auto RWD 5dr (167 bhp)
• Year: 2021
• Mileage: 21,542 miles
• Fuel: Electric
• Body: SUV, 5 doors, 5 seats
• Engine: 167 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Purple
• CO2: 0 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 21,542 miles on the clock, this 2021 Audi Q4 e-tron S Line has done roughly 11,800 fewer miles than a typical 2021 Audi Q4 e-tron. The AskCar estimate for this car is £20,606. It is priced at £19,700, which is £906 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,137 Audi Q4 e-tron cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 75 days. Its advertised mileage matches the government's MOT record. You can find this car at Carworld Car Supermarket in Peterborough. 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: £906 (4%) under the AskCar estimate of £20,606.

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

The dealer may accept less. This 2021 Audi Q4 e-tron has been on sale for at least 75 days. About 6 in 10 of 2021 Audi Q4 e-tron cars are gone from sale within a month of being advertised: 61 of the 109 first advertised between 11 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 19 August 2026 at £18,990. Its asking price is now £19,700, £710 more.

Price changes recorded:

• 19 August 2026: £18,990
• 25 September 2026: £19,990
• 15 October 2026: £19,700

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 4 November 2026.

It has had 2 MOTs. The latest, on 5 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; nearside rear tyre worn close to legal limit/worn on edge; and 1 more.

Mileage at that test: 18,326 miles, which matches the advertised 21,542 miles.

Advertised mileage is about 11,800 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, silver. Mileage: 22,000 miles. Price: £20,950, £1,250 more than this car. Dealer: Autotech Cars in Nottingham. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-ba873c033f8b
• 2021 Audi Q4 e-tron S Line, SUV, grey. Mileage: 24,120 miles. Price: £23,388, £3,688 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, £2,099 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, under a mile from this car. Mileage: 16,767 miles. Price: £22,670, £2,970 more than this car. Dealer: Big Motoring World Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-674b4fd03f86