2021 Audi Q4 e-tron S line

Price: £21,990. Fair price: £142 (under 1%) under the AskCar estimate of £22,132, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,193 priced Audi Q4 e-tron adverts on AskCar as of 5 November 2026.

AskCar lists 1,198 used Audi Q4 e-tron from 379 UK dealerships, as of 5 November 2026.

Overview

  • Make: Audi
  • Model: Q4 e-tron
  • Trim: S Line
  • Version: 40 S Line Auto RWD 5dr (201 bhp)
  • Year: 2021
  • Mileage: 29,749 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 is advertised with 29,749 miles, approximately 2,000 below the typical mileage for its age. The dealer is asking £21,990, which is £142 below the AskCar estimate of £22,132. To work out the AskCar estimate, we analyse UK dealer adverts for 1,193 Audi Q4 e-tron cars across different ages and specifications. Since we first spotted the advert 20 days ago, the asking price has dropped by £500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Trust Ford Birmingham, based in Birmingham. 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: £142 (under 1%) under the AskCar estimate of £22,132.

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

This 2021 Audi Q4 e-tron has been on sale for at least 20 days.

Price history

AskCar first saw this advert on 16 October 2026 at £22,490. Its asking price is now £21,990, £500 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

  • 16 October 2026: £22,490
  • 28 October 2026: £21,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 28 October 2027.

It has had 3 MOTs. The latest, on 14 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 29,749 miles, which matches the advertised 29,749 miles.

Advertised mileage is about 2,000 miles lower than the median mileage of a 2021 Audi Q4 e-tron on AskCar.

Browse all Audi Q4 e-tron cars for sale · 2021 Audi Q4 e-tron price guide

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Photos

40 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.