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: 25,521 miles
• Fuel: Electric
• Body: SUV, 5 doors, 5 seats
• Engine: 201 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Silver
• CO2: 0 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi Q4 e-tron S Line has covered 25,521 miles. Priced at £21,799, it is advertised £489 below the AskCar estimate of £22,288. The AskCar estimate draws on 1,137 Audi Q4 e-tron adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 20 days ago. Ask the dealer why the advert shows fewer miles than the 27,564 recorded at the latest MOT. MOT records show an expiry date of 5 October 2027. The seller is Eastern Western Motor Group Audi Stirling, based in Stirling. 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: £489 (2%) under the AskCar estimate of £22,288.

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 20 days.

Price history

AskCar first saw this advert on 13 October 2026 at £21,799. 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 5 October 2027.

It has had 7 MOTs. The latest, on 6 October 2026, passed.

Advisories at the latest test: offside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 27,564 miles. The advert says 25,521 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 7,800 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, grey. Mileage: 24,120 miles. Price: £23,388, £1,589 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: 22,000 miles. Price: £20,950, £849 less 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, purple. Mileage: 21,542 miles. Price: £19,700, £2,099 less than this car. Dealer: Carworld Car Supermarket in Peterborough. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-bc436b78ec81

• The nearest: 2021 Audi Q4 e-tron S Line, SUV, white, 118 miles from this car. Mileage: 52,480 miles. Price: £20,495, £1,304 less than this car. Dealer: Jack Reid Cars in Carrickfergus. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-ad972026f911