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: 44,688 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

This 2021 Audi Q4 e-tron S Line is advertised with 44,688 miles, approximately 13,100 above the typical mileage for its age. Priced at £19,999, it is advertised £288 below the AskCar estimate of £20,287. To work out the AskCar estimate, we analyse UK dealer adverts for 1,219 Audi Q4 e-tron cars across different ages and specifications. We have tracked this advert for 2 days. The government's MOT record matches its advertised mileage. You can find this car at Hawkins Select Indian Queens in St Columb. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £288 (1%) under the AskCar estimate of £20,287.

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 1,219 priced Audi Q4 e-tron adverts across different ages and specifications, as of 6 November 2026.

Time on sale

AskCar first saw this 2021 Audi Q4 e-tron advertised 2 days ago. About 6 in 10 of 2021 Audi Q4 e-tron cars are gone from sale within a month of being advertised: 65 of the 115 first advertised between 11 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £19,999. 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 6 November 2026: valid until 14 November 2027.

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

There were no advisories at the latest test.

Mileage at that test: 44,721 miles, which matches the advertised 44,688 miles.

Advertised mileage is about 13,100 miles higher than the median mileage of a 2021 Audi Q4 e-tron on AskCar.

Similar cars

20 other 2021 Audi Q4 e-tron S Line automatic SUVs are for sale at UK dealers, from £2,000 to £23,388, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2021 Audi Q4 e-tron S Line, SUV, black. Mileage: 46,000 miles. Price: £19,750, £249 less than this car. Dealer: Audi Saab in Liverpool. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-5aff8b454dc5
• 2021 Audi Q4 e-tron S Line, SUV, blue. Mileage: 39,998 miles. Price: £17,990, £2,009 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, white. Mileage: 50,200 miles. Price: £17,550, £2,449 less than this car. Dealer: Wcc Auto Group in Heswall. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-1adf2ab04db4

• The nearest: 2021 Audi Q4 e-tron S Line, SUV, white, 187 miles from this car. Mileage: 31,750 miles. Price: £20,995, £996 more than this car. Dealer: Aspire International Sourcing in Wrecclesham. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-d05dc468096f