2021 Audi Q4 e-tron S line

Overview

• Make: Audi
• Model: Q4 e-tron
• Trim: S Line
• Version: 82.77kWh 40 S Line [Tech Pack] Auto RWD 5dr (201 bhp)
• Year: 2021
• Mileage: 46,208 miles
• Fuel: Electric
• Body: 5 doors, 5 seats
• Engine: 201 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 0 g/km

About this car

With 46,208 miles on the clock, this 2021 Audi Q4 e-tron S Line has done roughly 14,500 more miles than a typical 2021 Audi Q4 e-tron. The AskCar estimate for this car is £20,044. It is priced at £20,699, which is £655 above that estimate. The AskCar estimate uses 1,259 UK dealer adverts for the Audi Q4 e-tron, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 49 days ago. Our records show an MOT expiry date of 6 November 2026, which has passed. Ask the dealer for an update. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Available Car Supermarket - Castle Donington in Castle Donnington. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £655 (3%) over the AskCar estimate of £20,044.

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 1,259 priced Audi Q4 e-tron adverts across different ages and specifications, as of 7 November 2026.

Time on sale

This 2021 Audi Q4 e-tron has been on sale for at least 49 days.

Price history

AskCar first saw this advert on 19 September 2026 at £20,499. Its asking price is now £20,699, £200 more.

Price changes recorded:

• 19 September 2026: £20,499
• 22 October 2026: £20,699

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: the latest record we hold ran out on 6 November 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 30 October 2025, passed.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 35,085 miles, which matches the advertised 46,208 miles.

Advertised mileage is about 14,500 miles higher than the median mileage of a 2021 Audi Q4 e-tron on AskCar.