2021 Audi Q4 e-tron S line

Version: 40 S Line Auto RWD 5dr (201 bhp)

Price: £19,990. Fair price: £1,384 (6%) under the AskCar estimate of £21,374, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,121 priced Audi Q4 e-tron adverts on AskCar as of 30 October 2026.

AskCar lists 1,138 used Audi Q4 e-tron from 363 UK dealerships, as of 30 October 2026.

Overview

Make
Audi
Model
Q4 e-tron
Trim
S Line
Version
40 S Line Auto RWD 5dr (201 bhp)
Mileage
35,000 miles
Year
2021
Fuel type
Electric
Body type
SUV
Gearbox
Automatic
Power
201 bhp
Seats
5
CO2
0 g/km
Colour
White
Doors
5
Driven wheels
Rear Wheel Drive
Engine badge
S line
Emissions standard
Euro 6

About this car

This 2021 Audi Q4 e-tron S Line is advertised with 35,000 miles on the clock. Priced at £19,990, it is advertised £1,384 below the AskCar estimate of £21,374. The AskCar estimate uses 1,121 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 today. The latest MOT recorded 35,610 miles, above the advertised mileage. Check this with the dealer. Its recorded MOT is valid until 10 February 2027. It is advertised by Audi Saab in Wirral.

Stock data as of 30 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 30 October 2026.

Recorded asking prices
Date observedAsking price
30 October 2026£19,990

Price and mileage comparison

Fair price: £1,384 (6%) under the AskCar estimate of £21,374.

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 1,121 priced Audi Q4 e-tron adverts across different ages and specifications, as of 30 October 2026.

Advertised mileage is about 2,400 miles higher than the median mileage of a 2021 Audi Q4 e-tron on AskCar.

Mileage concern: the advertised mileage is below the last MOT reading; ask the dealer to explain.

MOT

MOT: valid until 10 February 2027. 35,610 miles at the last test.

Other matching cars

27 other 2021 Audi Q4 e-tron S Line automatic electric cars are for sale at UK dealers from £2,000 to £23,388, as of 30 October 2026.

The 5 cheapest:

The 27 matching cars have covered 14,567 to 94,726 miles, compared with 35,000 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.

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

More like this

How to contact the dealer and its opening hours are on this AskCar page.

As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.