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: 31,441 miles
• Fuel: Electric
• Body: 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 31,441 miles on the clock. The dealer is asking £20,515, which is £1,421 below the AskCar estimate of £21,936. To work out the AskCar estimate, we analyse UK dealer adverts for 1,193 Audi Q4 e-tron cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 63 days, and its asking price is down £1,442. Its advertised mileage matches the government's MOT record. The seller is Carbase Bristol, based in Bristol. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,421 (6%) under the AskCar estimate of £21,936.

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 1,193 priced Audi Q4 e-tron adverts across different ages and specifications, as of 5 November 2026.

Time on sale

The dealer may accept less. This 2021 Audi Q4 e-tron has been on sale for at least 63 days, and its asking price has been cut by £1,442. About 6 in 10 of 2021 Audi Q4 e-tron cars are gone from sale within a month of being advertised: 63 of the 113 first advertised between 11 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 3 September 2026 at £21,957. Its asking price is now £20,515, £1,442 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 3 September 2026: £21,957
• 8 September 2026: £21,946
• 9 September 2026: £21,940
• 11 September 2026: £21,903
• 15 September 2026: £21,746
• 16 September 2026: £21,739
• 18 September 2026: £21,250
• 22 September 2026: £21,107
• 23 September 2026: £21,095
• 24 September 2026: £21,056
• 29 September 2026: £20,851
• 3 October 2026: £20,849
• 8 October 2026: £20,845
• 27 October 2026: £20,693
• 28 October 2026: £20,515

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 2 December 2026.

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

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge tyre worn to 3mm and bald on edges; offside front tyre worn close to legal limit/worn on edge tyre bald on inner edge; nearside rear tyre worn close to legal limit/worn on edge tyre bald on inner edge; and 1 more.

Mileage at that test: 26,336 miles, which matches the advertised 31,441 miles.

Advertised mileage is about 300 miles lower than the median mileage of a 2021 Audi Q4 e-tron on AskCar.