2021 Audi Q3

1.5 TFSI CoD 35 S Line S tronic FWD Euro 6 (s/s) 5dr (148 bhp)

£20,300

Fair price: within 8% of the typical £20,378 for this model, age and mileage, drawing on 3,489 adverts of this make and model.

Overview

Make
Audi
Model
Q3
Trim
S LINE
Version
1.5 TFSI CoD 35 S Line S tronic FWD Euro 6 (s/s) 5dr (148 bhp)
Mileage
42,260 miles
Year
2021
Fuel type
Petrol
Body type
SUV
Engine
1.5 L
Gearbox
Automatic
Power
148 bhp
Seats
5
CO2
158 g/km
Colour
Grey
Doors
5
Driven wheels
Front Wheel Drive
Gearbox version
S tronic
Engine badge
TFSI; CoD
Emissions standard
Euro 6

About this car

The advertised mileage for this 2021 Audi Q3 S Line is 42,260 miles. Its asking price of £20,300 is £78 below our estimate of £20,378. The estimate uses 3,489 UK dealer adverts for the Audi Q3, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 7 days. Its recorded MOT is valid until 22 September 2027, and its advertised mileage is consistent with the latest MOT reading. You can find this car at Car Planet Watford in Rickmansworth.

Stock data from 22 October 2026.

How we estimate prices and check cars

Price history

First seen on 16 October 2026, 7 days ago. Advert duration calculated on 23 October 2026.

Recorded asking prices
Date observedAsking price
16 October 2026£20,300
22 October 2026£20,300

Price and mileage comparison

Estimated market asking price: £20,378. The asking price is £78 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 3,489 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 1,100 miles higher than typical for a 2021 Audi Q3.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 22 September 2027. 42,111 miles at the last test.

48 other cars with the same year, trim, gearbox and fuel are for sale from £14,699 to £29,950.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£14,69982,000 miles
£14,99592,788 miles
£15,94080,941 miles
£16,88833,400 miles
£16,99576,000 miles

These cars have covered 15,633–92,788 miles, compared with 42,260 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all Audi Q3 cars for sale · 2021 Audi Q3 price guide

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos

AskCar lists 588,092 cars from 13,071 UK dealer locations, read and updated daily from dealer websites. More than any other UK site. No dealer pays to be listed.