2020 Audi Q3 2.0 TDI S Line

Overview

• Make: Audi
• Model: Q3
• Trim: S Line
• Version: 2.0 TDI 40 S Line S tronic 4WD Euro 6 (s/s) 5dr
• Year: 2020
• Mileage: 83,712 miles
• Fuel: Diesel
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 148 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 83,712 miles, this 2020 Audi Q3 S Line has covered about 33,200 more miles than other 2020 Audi Q3 cars. The AskCar estimate for this car is £16,741. It is priced at £16,450, which is £291 below that estimate. The AskCar estimate uses 3,488 UK dealer adverts for the Audi Q3, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 33 days ago, the asking price has dropped by £540. Its advertised mileage matches the government's MOT record. The seller is Stratstone Tamworth Audi, based in Tamworth. 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: £291 (1%) under the AskCar estimate of £16,741.

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 33 days.

Price history

AskCar first saw this advert on 2 October 2026 at £16,990. Its asking price is now £16,450, £540 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 2 October 2026: £16,990
• 10 October 2026: £16,790
• 21 October 2026: £16,490
• 1 November 2026: £16,450

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 5 February 2027.

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

Advisories at the latest test: tyre worn close to legal limit/worn on edge all four; front brake disc worn, pitted or scored, but not seriously weakened.

Mileage at that test: 75,173 miles, which matches the advertised 83,712 miles.

Advertised mileage is about 33,200 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, white. Mileage: 83,852 miles. Price: £15,512, £938 less than this car. Dealer: Evans Halshaw BYD Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/audi-q3-2020-d819dbb24901
• 2020 Audi Q3 S Line, 2.0 diesel SUV, black. Mileage: 82,699 miles. Price: £15,190, £1,260 less than this car. Dealer: Stratstone Shrewsbury Audi in Shrewsbury. AskCar page: https://askcar.co.uk/car/audi-q3-2020-e7f1e33b4f34
• 2020 Audi Q3 S Line, 2.0 diesel SUV, grey. Mileage: 81,000 miles. Price: £17,950, £1,500 more than this car. Dealer: LuxCarz in St Helens. AskCar page: https://askcar.co.uk/car/audi-q3-2020-143419bcc9e2

• The nearest: 2020 Audi Q3 S Line, 2.0 diesel SUV, white, 13 miles from this car. Mileage: 21,000 miles. Price: £24,000, £7,550 more than this car. Dealer: Car Central in Birmingham. AskCar page: https://askcar.co.uk/car/audi-q3-2020-ad48949a82fe