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: 94,726 miles
• Fuel: Electric
• Body: SUV, 5 doors, 5 seats
• Engine: 201 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 0 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi Q4 e-tron S Line has covered 94,726 miles, around 61,400 more miles than is typical for its age. Its asking price of £15,300 is £822 above the AskCar estimate of £14,478. The AskCar estimate uses UK dealer asking prices, including 1,137 Audi Q4 e-tron adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 10 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Quality Part X Dunstable, based in Dunstable. 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: £822 (5%) over the AskCar estimate of £14,478.

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 10 days.

Price history

AskCar first saw this advert on 23 October 2026 at £15,300. Its asking price has not changed.

Price changes recorded:

• 23 October 2026: £15,300
• 24 October 2026: £15,351
• 27 October 2026: £15,346
• 29 October 2026: £15,341
• 31 October 2026: £15,300

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 1 December 2026.

It has had 3 MOTs. The latest, on 2 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 80,571 miles, which matches the advertised 94,726 miles.

Advertised mileage is about 61,400 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, black. Mileage: 82,561 miles. Price: £2,000, £13,300 less than this car. Dealer: Car Quay in Derby. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-dc3f2ab7a5db
• 2021 Audi Q4 e-tron S Line, SUV, white. Mileage: 77,000 miles. Price: £17,500, £2,200 more than this car. Dealer: BWC Used Cars Telford in Telford. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-11eaf4be706f
• 2021 Audi Q4 e-tron S Line, SUV, grey. Mileage: 74,354 miles. Price: £17,699, £2,399 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-de0cbbfc2b38

• The nearest: 2021 Audi Q4 e-tron S Line, SUV, white, 31 miles from this car. Mileage: 50,584 miles. Price: £20,990, £5,690 more than this car. Dealer: Prestige Cars Of Essex in Harlow. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-27ae895d462e