2020 Audi Q3 2.0 TDI S Line

Overview

• Make: Audi
• Model: Q3
• Trim: S Line
• Version: 2.0 35 TDI S Line S tronic Euro 6 5dr (148 bhp)
• Year: 2020
• Mileage: 66,752 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Colour: Black
• CO2: 159 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 66,752 miles on the clock, this 2020 Audi Q3 S Line has done roughly 16,300 more miles than a typical 2020 Audi Q3. The dealer is asking £17,495, which is £333 below the AskCar estimate of £17,828. To work out the AskCar estimate, we analyse UK dealer adverts for 3,488 Audi Q3 cars across different ages and specifications. It first appeared in our advert records 1 day ago. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at A1 Auto Solutions in Maidenhead. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £333 (1%) under the AskCar estimate of £17,828.

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 3,488 priced Audi Q3 adverts across different ages and specifications, as of 4 November 2026.

A 2020 Audi Q3 with the 2.0 diesel engine is typically advertised at £20,000: the median of the 127 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2020 Audi Q3 advertised 1 day ago. About half of 2020 Audi Q3 cars are gone from sale within a month of being advertised: 201 of the 387 first advertised between 7 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 3 November 2026 at £17,495. 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 4 November 2026: valid until 2 March 2027.

It has had 4 MOTs. The latest, on 25 February 2026, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge; nearside front tyre has a cut but not deep enough to reach the ply or cords damage to side wall.

Mileage at that test: 54,497 miles, which matches the advertised 66,752 miles.

Advertised mileage is about 16,300 miles higher than the median mileage of a 2020 Audi Q3 on AskCar.

Similar cars

34 other 2020 Audi Q3 S Line 2.0 diesel automatic SUVs are for sale at UK dealers, from £12,750 to £24,495, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi Q3 S Line, 2.0 diesel SUV, blue. Mileage: 67,771 miles. Price: £18,495, £1,000 more than this car. Dealer: TJ Hamilton Approved in Cookstown. AskCar page: https://askcar.co.uk/car/audi-q3-2020-27eaf97a80bc
• 2020 Audi Q3 S Line, 2.0 diesel SUV, black. Mileage: 68,145 miles. Price: £16,823, £672 less than this car. Dealer: JCT600 Volkswagen Sheffield in Sheffield. AskCar page: https://askcar.co.uk/car/audi-q3-2020-8be35c1d1a33
• 2020 Audi Q3 S Line, 2.0 diesel SUV, white. Mileage: 68,183 miles. Price: £19,250, £1,755 more than this car. Dealer: The Car Group UK in Havering. AskCar page: https://askcar.co.uk/car/audi-q3-2020-d0fd7e762545

• The nearest: 2020 Audi Q3 S Line, 2.0 diesel SUV, white, 15 miles from this car. Mileage: 72,701 miles. Price: £16,900, £595 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-q3-2020-00061d19cc4a