2020 Audi Q3 2.0 TDI S Line

Overview

• Make: Audi
• Model: Q3
• Trim: S Line
• Version: 2.0 TDI 35 S Line S tronic FWD Euro 6 (s/s) 5dr (148 bhp)
• Year: 2020
• Mileage: 50,464 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 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

This 2020 Audi Q3 S Line has covered 50,464 miles. Its asking price of £18,990 is £401 below the AskCar estimate of £19,391. The AskCar estimate uses UK dealer asking prices, including 3,488 Audi Q3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 13 days ago. Its asking price has since fallen by £175. Our latest MOT record expired on 8 July 2026. Check the current position with the dealer. Its advertised mileage matches the government's MOT record. It is advertised by Car City UK Catterick in Catterick Garrison. 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: £401 (2%) under the AskCar estimate of £19,391.

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

This 2020 Audi Q3 has been on sale for at least 13 days.

Price history

AskCar first saw this advert on 22 October 2026 at £19,165. Its asking price is now £18,990, £175 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 22 October 2026: £19,165
• 1 November 2026: £18,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 8 July 2026; ask the dealer for the current MOT.

It failed its MOT on 4 July 2025 (offside front lower windscreen damaged but not adversely affecting driver's view; front windscreen wiper does not clear the windscreen effectively) and passed later the same day.

Advisories at the latest test: front brake disc worn, pitted or scored, but not seriously weakened; front brake pad(s) wearing thin; offside front tyre worn close to legal limit/worn on edge; and 1 more.

Mileage at that test: 40,718 miles, which matches the advertised 50,464 miles.

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, grey. Mileage: 50,145 miles. Price: £18,998, the same price as this car. Dealer: Lookers Audi Newcastle in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/audi-q3-2020-ab771e3dec19
• 2020 Audi Q3 S Line, 2.0 diesel SUV, black. Mileage: 51,000 miles. Price: £24,495, £5,505 more than this car. Dealer: MC Autosales in Magherafelt. AskCar page: https://askcar.co.uk/car/audi-q3-2020-37765a3f03e6
• 2020 Audi Q3 S Line, 2.0 diesel SUV, silver. Mileage: 52,958 miles. Price: £21,975, £2,985 more than this car. Dealer: Portland Of Bawtry in Doncaster. AskCar page: https://askcar.co.uk/car/audi-q3-2020-ba6edfd16c6a

• The nearest: 2020 Audi Q3 S Line, 2.0 diesel SUV, grey, 28 miles from this car. Mileage: 62,164 miles. Price: £18,000, £990 less than this car. Dealer: Stoneacre Durham Toyota in Durham. AskCar page: https://askcar.co.uk/car/audi-q3-2020-b6b2c4cb23b0