2021 Audi Q4 e-tron S line

Price: £17,550. Fair price: £219 (1%) under the AskCar estimate of £17,769, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,143 priced Audi Q4 e-tron adverts on AskCar as of 1 November 2026.

AskCar lists 1,147 used Audi Q4 e-tron from 369 UK dealerships, as of 1 November 2026.

Overview

Make: Audi
Model: Q4 e-tron
Trim: S Line
Version: 35 S Line Auto RWD 5dr (167 bhp)
Year: 2021
Mileage: 50,200 miles
Fuel: Electric
Body: SUV, 5 doors, 5 seats
Engine: 167 bhp
Gearbox: Automatic
Drive: Rear-wheel drive
Colour: White
CO2: 0 g/km
Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Audi Q4 e-tron S Line is advertised with 50,200 miles, approximately 18,200 above the typical mileage for its age. Its asking price of £17,550 is £219 below the AskCar estimate of £17,769. The AskCar estimate uses 1,143 UK dealer adverts for the Audi Q4 e-tron, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert today. The recorded MOT expired on 24 September 2026, so ask the dealer whether it has been renewed. Its advertised mileage matches the government's MOT record. It is for sale at Wcc Auto Group in Wirral. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 1 November 2026.

How we estimate prices and check cars

Price

Fair price: £219 (1%) under the AskCar estimate of £17,769.

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 1,143 priced Audi Q4 e-tron adverts across different ages and specifications, as of 1 November 2026.

Time on sale

AskCar first saw this 2021 Audi Q4 e-tron advertised today.

Price history

AskCar first saw this advert on 1 November 2026 at £17,550. 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 1 November 2026: the latest record we hold ran out on 24 September 2026; ask the dealer for the current MOT.

It failed its MOT on 18 September 2025 (nearside rear tyre tread depth below requirements of 1.6mm 255/45R20; offside rear tyre tread depth below requirements of 1.6mm 255/45R20) and passed 7 days later, on 25 September 2025.

There were no advisories at the latest test.

Mileage at that test: 42,067 miles, which matches the advertised 50,200 miles.

Advertised mileage is about 18,200 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 1 November 2026.

The 3 closest to this car in mileage:

2021 Audi Q4 e-tron S Line, SUV, white. Mileage: 50,584 miles. Price: £20,990, £3,440 more than this car. Dealer: Prestige Cars Of Essex in Harlow. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-27ae895d462e
2021 Audi Q4 e-tron S Line, SUV, white. Mileage: 52,480 miles. Price: £20,495, £2,945 more than this car. Dealer: Jack Reid Cars in Carrickfergus. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-ad972026f911
2021 Audi Q4 e-tron S Line, SUV, black. Mileage: 46,000 miles. Price: £19,750, £2,200 more than this car. Dealer: Audi Saab in Liverpool. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-5aff8b454dc5

The nearest: 2021 Audi Q4 e-tron S Line, SUV, white, 1 miles from this car. Mileage: 35,000 miles. Price: £19,990, £2,440 more than this car. Dealer: Audi Saab in Liverpool. AskCar page: https://askcar.co.uk/car/audi-q4-e-tron-2021-45faf544cbb9

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