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: 42,914 miles
• Fuel: Electric
• Body: 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 42,914 miles, around 11,200 more miles than is typical for its age. The AskCar estimate for this car is £20,612. It is priced at £19,402, which is £1,210 below that estimate. 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 86 days, and its asking price is down £1,489. We checked its advertised mileage against the government's MOT record, and they match. The seller is Sandicliffe Ford Loughborough, based in Loughborough. 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: £1,210 (5%) under the AskCar estimate of £20,612.

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 86 days, and its asking price has been cut by £1,489. 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 11 August 2026 at £20,891. Its asking price is now £19,402, £1,489 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 11 August 2026: £20,891
• 12 August 2026: £21,088
• 13 August 2026: £21,090
• 14 August 2026: £21,093
• 15 August 2026: £20,885
• 18 August 2026: £21,124
• 19 August 2026: £21,138
• 20 August 2026: £21,123
• 21 August 2026: £21,135
• 22 August 2026: £21,122
• 4 September 2026: £20,759
• 5 September 2026: £19,837
• 8 September 2026: £19,858
• 9 September 2026: £19,856
• 10 September 2026: £19,827
• 12 September 2026: £19,833
• 15 September 2026: £19,821
• 16 September 2026: £19,812
• 18 September 2026: £19,802
• 19 September 2026: £19,806
• 23 September 2026: £19,799
• 24 September 2026: £19,767
• 25 September 2026: £19,775
• 29 September 2026: £19,812
• 30 September 2026: £19,827
• 1 October 2026: £19,819
• 2 October 2026: £19,821
• 3 October 2026: £19,815
• 6 October 2026: £19,801
• 7 October 2026: £19,817
• 8 October 2026: £19,813
• 9 October 2026: £19,821
• 10 October 2026: £19,818
• 13 October 2026: £19,871
• 16 October 2026: £19,904
• 17 October 2026: £19,890
• 20 October 2026: £19,909
• 21 October 2026: £19,919
• 22 October 2026: £19,915
• 23 October 2026: £19,929
• 24 October 2026: £19,942
• 27 October 2026: £19,402

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 12 August 2027.

It has had 6 MOTs. The latest, on 13 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 42,914 miles, which matches the advertised 42,914 miles.

Advertised mileage is about 11,200 miles higher than the median mileage of a 2021 Audi Q4 e-tron on AskCar.