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: 14,567 miles
• Fuel: Electric
• Body: SUV, 5 doors, 5 seats
• Engine: 167 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Silver
• CO2: 0 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 14,567 miles, this 2021 Audi Q4 e-tron S Line has covered about 18,700 fewer miles than other 2021 Audi Q4 e-tron cars. Priced at £20,766, it is advertised £477 below the AskCar estimate of £21,243. 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 158 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Lookers Car Hub Star City in Birmingham. 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: £477 (2%) under the AskCar estimate of £21,243.

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 158 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 28 May 2026 at £20,475. Its asking price is now £20,766, £291 more.

Price changes recorded:

• 28 May 2026: £20,475
• 30 May 2026: £20,424
• 1 June 2026: £20,238
• 4 June 2026: £20,999
• 6 June 2026: £19,854
• 8 June 2026: £19,999
• 16 June 2026: £20,171
• 18 June 2026: £19,945
• 19 June 2026: £20,499
• 22 August 2026: £20,766

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 22 December 2026.

It has had 2 MOTs. The latest, on 23 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 11,835 miles, which matches the advertised 14,567 miles.

Advertised mileage is about 18,700 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, black. Mileage: 16,767 miles. Price: £22,670, £1,904 more than this car. Dealer: Big Motoring World Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-674b4fd03f86
• 2021 Audi Q4 e-tron S Line, SUV, purple. Mileage: 21,542 miles. Price: £19,700, £1,066 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, silver. Mileage: 22,000 miles. Price: £20,950, £184 more than this car. Dealer: Autotech Cars in Nottingham. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-ba873c033f8b

• The nearest: 2021 Audi Q4 e-tron S Line, SUV, blue, 15 miles from this car. Mileage: 32,609 miles. Price: £21,399, £633 more than this car. Dealer: car360 in Cannock. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-483020d2d3b4