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: 40,488 miles
• Fuel: Electric
• Body: SUV, 5 doors, 5 seats
• Engine: 167 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 0 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 40,488 miles, this 2021 Audi Q4 e-tron S Line has covered about 7,200 more miles than other 2021 Audi Q4 e-tron cars. Priced at £18,599, it is advertised £164 below the AskCar estimate of £18,763. To work out the AskCar estimate, we analyse UK dealer adverts for 1,137 Audi Q4 e-tron cars across different ages and specifications. We first recorded this advert 47 days ago, and its asking price has since fallen by £600. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by cinch Corby in North Northamptonshire. 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: £164 (under 1%) under the AskCar estimate of £18,763.

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 47 days.

Price history

AskCar first saw this advert on 16 September 2026 at £19,199. Its asking price is now £18,599, £600 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 16 September 2026: £19,199
• 24 September 2026: £18,999
• 29 October 2026: £18,599

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 7 September 2027.

It has had 3 MOTs. The latest, on 30 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 40,484 miles, which matches the advertised 40,488 miles.

Advertised mileage is about 7,200 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, blue. Mileage: 39,998 miles. Price: £17,990, £609 less than this car. Dealer: Bella Cars in Huddersfield. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-efddda745be9
• 2021 Audi Q4 e-tron S Line, SUV, black. Mileage: 37,500 miles. Price: £21,545, £2,946 more than this car. Dealer: Drift Bridge Audi Approved - Epsom in Epsom. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-3d1a1e42410e
• 2021 Audi Q4 e-tron S Line, SUV, white. Mileage: 35,000 miles. Price: £19,990, £1,391 more than this car. Dealer: Audi Saab in Liverpool. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-45faf544cbb9

• The nearest: 2021 Audi Q4 e-tron S Line, SUV, grey, under a mile from this car. Mileage: 74,354 miles. Price: £17,699, £900 less than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-de0cbbfc2b38