2021 Audi Q3 1.5 TFSI CoD S Line
Price: £19,400. Above the going rate: £2,895 (17%) over the AskCar estimate of £16,505, our expected asking price for this car from its model, age, mileage and specification, drawing on 3,432 priced Audi Q3 adverts on AskCar as of 2 November 2026.
AskCar lists 3,502 used Audi Q3 from 1,622 UK dealerships, as of 2 November 2026.
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)
- Year: 2021
- Mileage: 75,500 miles
- Fuel: Petrol
- Body: SUV, 5 doors, 5 seats
- Engine: 1.5 litres, 148 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: Grey
- CO2: 158 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 75,500 miles on the clock, this 2021 Audi Q3 S Line has done roughly 33,500 more miles than a typical 2021 Audi Q3. The AskCar estimate for this car is £16,505. It is priced at £19,400, which is £2,895 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 3,432 Audi Q3 cars across different ages and specifications. We first recorded this car for sale 2 days ago. Its advertised mileage matches the government's MOT record. The seller is Marshall Motor Group Oxford Audi, based in Oxford. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Above the going rate: £2,895 (17%) over the AskCar estimate of £16,505.
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 3,432 priced Audi Q3 adverts across different ages and specifications, as of 2 November 2026.
A 2021 Audi Q3 with the 1.5 petrol engine is typically advertised at £20,000: the median of the 211 for sale on AskCar, as of 2 November 2026.
Time on sale
AskCar first saw this 2021 Audi Q3 advertised 2 days ago. About half of 2021 Audi Q3 cars are gone from sale within a month of being advertised: 179 of the 362 first advertised between 8 July 2026 and 29 September 2026.
Price history
AskCar first saw this advert on 31 October 2026 at £19,400. Its asking price has not changed.
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 27 November 2026.
It has had 3 MOTs. The latest, on 24 November 2025, passed.
Advisories at the latest test: rear brake disc worn, pitted or scored, but not seriously weakened.
Mileage at that test: 58,790 miles, which matches the advertised 75,500 miles.
Advertised mileage is about 33,500 miles higher than the median mileage of a 2021 Audi Q3 on AskCar.
Similar cars
38 other 2021 Audi Q3 S Line 1.5 petrol automatic SUVs are for sale at UK dealers, from £14,699 to £24,990, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2021 Audi Q3 S Line, 1.5 petrol SUV, white. Mileage: 76,000 miles. Price: £16,895, £2,505 less than this car. Dealer: The Carsite London in Bromley. AskCar page: https://askcar.co.uk/car/audi-q3-2021-558c3d509671
- 2021 Audi Q3 S Line, 1.5 petrol SUV, grey. Mileage: 80,941 miles. Price: £15,600, £3,800 less than this car. Dealer: Evans Halshaw Vauxhall Shiremoor in Shiremoor. AskCar page: https://askcar.co.uk/car/audi-q3-2021-e65eb5b983e3
- 2021 Audi Q3 S Line, 1.5 petrol SUV, blue. Mileage: 82,000 miles. Price: £14,699, £4,701 less than this car. Dealer: C M W Car Sales in Croydon. AskCar page: https://askcar.co.uk/car/audi-q3-2021-8daec602d176
- The nearest: 2021 Audi Q3 S Line, 1.5 petrol SUV, grey, 18 miles from this car. Mileage: 26,773 miles. Price: £24,990, £5,590 more than this car. Dealer: Stratstone Audi Approved Aylesbury in Aylesbury. AskCar page: https://askcar.co.uk/car/audi-q3-2021-1a67b5fa8e41
Browse all Audi Q3 cars for sale · 2021 Audi Q3 price guide
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Photos
1 photo of this car is on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.