2021 Audi Q4 e-tron S line

Overview

• Make: Audi
• Model: Q4 e-tron
• Trim: S Line
• Version: 40 S Line Auto RWD 5dr (201 bhp)
• Year: 2021
• Mileage: 34,000 miles
• Fuel: Electric
• Body: SUV, 5 doors, 5 seats
• Engine: 201 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Blue
• 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 34,000 miles. Its asking price of £21,490 is £102 above the AskCar estimate of £21,388. 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 84 days. Its advertised mileage matches the government's MOT record. You can find this car at S James Prestige in Stamford. 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: £102 (under 1%) over the AskCar estimate of £21,388.

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 84 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 10 August 2026 at £21,490. 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 8 January 2027.

It has had 2 MOTs. The latest, on 2 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 29,276 miles, which matches the advertised 34,000 miles.

Advertised mileage is about 700 miles higher 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, white. Mileage: 35,000 miles. Price: £19,990, £1,500 less than this car. Dealer: Audi Saab in Liverpool. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-45faf544cbb9
• 2021 Audi Q4 e-tron S Line, SUV, blue. Mileage: 32,609 miles. Price: £21,399, £91 less 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, white. Mileage: 31,750 miles. Price: £20,995, £495 less than this car. Dealer: Aspire International Sourcing in Wrecclesham. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-d05dc468096f

• The nearest: 2021 Audi Q4 e-tron S Line, SUV, black, 13 miles from this car. Mileage: 16,767 miles. Price: £22,670, £1,180 more than this car. Dealer: Big Motoring World Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-674b4fd03f86