2021 Audi Q5 2.0 TDI S Line

Version: 2.0 TDI 40 S Line S tronic 4WD Euro 6 (s/s) 5dr (201 bhp)

Price: £20,900. Fair price: £707 (3%) over the AskCar estimate of £20,193, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,035 priced Audi Q5 adverts on AskCar as of 30 October 2026.

AskCar lists 3,073 used Audi Q5 from 1,309 UK dealerships, as of 30 October 2026.

Overview

Make
Audi
Model
Q5
Trim
S Line
Version
2.0 TDI 40 S Line S tronic 4WD Euro 6 (s/s) 5dr (201 bhp)
Mileage
79,100 miles
Year
2021
Fuel type
Diesel
Body type
SUV
Engine
2.0 L
Gearbox
Automatic
Power
201 bhp
Seats
5
CO2
170 g/km
Colour
Blue
Doors
5
Driven wheels
Four Wheel Drive
Gearbox version
S tronic
Engine badge
TDI
Hybrid type
Mild hybrid
Emissions standard
Euro 6

About this car

With 79,100 miles on the clock, this 2021 Audi Q5 S Line has done roughly 29,200 more miles than a typical 2021 Audi Q5. The AskCar estimate for this car is £20,193. It is priced at £20,900, which is £707 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 3,035 Audi Q5 cars across different ages and specifications. The asking price is now £200 lower than when we first recorded the advert 10 days ago. Its recorded MOT is valid until 7 September 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Marshall Motor Group Tunbridge Wells Audi, based in Tunbridge Wells.

Stock data as of 30 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 20 October 2026, 10 days ago. Price reduced by £200 from £21,100 since AskCar first saw it. 1 price reduction recorded, the latest seen on 30 October 2026.

Recorded asking prices
Date observedAsking price
20 October 2026£21,100
30 October 2026£20,900

Price and mileage comparison

Fair price: £707 (3%) over the AskCar estimate of £20,193.

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 3,035 priced Audi Q5 adverts across different ages and specifications, as of 30 October 2026.

Advertised mileage is about 29,200 miles higher than the median mileage of a 2021 Audi Q5 on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: valid until 7 September 2027. 78,051 miles at the last test.

Other matching cars

95 other 2021 Audi Q5 S Line automatic diesel cars are for sale at UK dealers from £18,499 to £33,990, as of 30 October 2026.

The 5 cheapest:

The 95 matching cars have covered 17,689 to 91,125 miles, compared with 79,100 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 Q5 cars for sale · 2021 Audi Q5 price guide

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Photos

1 photo of this car is on its AskCar page.

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.