2020 Audi Q3 1.5 TFSI CoD S Line

Price: £17,650. Fair price: £973 (5%) under the AskCar estimate of £18,623, 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: 2020
  • Mileage: 51,415 miles
  • Fuel: Petrol
  • Body: SUV, 5 doors, 5 seats
  • Engine: 1.5 litres, 148 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 158 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi Q3 S Line has covered 51,415 miles. Its asking price of £17,650 is £973 below the AskCar estimate of £18,623. The AskCar estimate uses UK dealer asking prices, including 3,432 Audi Q3 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 45 days ago, the asking price has dropped by £1,050. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Car Planet Watford, based in Rickmansworth. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £973 (5%) under the AskCar estimate of £18,623.

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 2020 Audi Q3 with the 1.5 petrol engine is typically advertised at £18,100: the median of the 126 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2020 Audi Q3 has been on sale for at least 45 days.

Price history

AskCar first saw this advert on 18 September 2026 at £18,700. Its asking price is now £17,650, £1,050 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

  • 18 September 2026: £18,700
  • 2 October 2026: £18,400
  • 7 October 2026: £18,300
  • 14 October 2026: £18,150
  • 21 October 2026: £18,000
  • 27 October 2026: £17,950
  • 2 November 2026: £17,650

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 11 September 2027.

It has had 4 MOTs. The latest, on 11 September 2026, passed.

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

Mileage at that test: 51,287 miles, which matches the advertised 51,415 miles.

Advertised mileage is about 1,800 miles higher than the median mileage of a 2020 Audi Q3 on AskCar.

Similar cars

46 other 2020 Audi Q3 S Line 1.5 petrol automatic SUVs are for sale at UK dealers, from £14,495 to £22,857, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2020 Audi Q3 S Line, 1.5 petrol SUV, red. Mileage: 51,512 miles. Price: £18,000, £350 more than this car. Dealer: Invicta Chery Warrington in Warrington. AskCar page: https://askcar.co.uk/car/audi-q3-2020-0357cf9a55f3
  • 2020 Audi Q3 S Line, 1.5 petrol SUV, white. Mileage: 53,480 miles. Price: £16,495, £1,155 less than this car. Dealer: Autogalleria Harpenden in Harpenden. AskCar page: https://askcar.co.uk/car/audi-q3-2020-8c7dbbb69fd7
  • 2020 Audi Q3 S Line, 1.5 petrol SUV, white. Mileage: 48,602 miles. Price: £18,000, £350 more than this car. Dealer: JCT600 Kia Castleford in Castleford. AskCar page: https://askcar.co.uk/car/audi-q3-2020-d047261144fa
  • The nearest: 2020 Audi Q3 S Line, 1.5 petrol SUV, white, under a mile from this car. Mileage: 33,426 miles. Price: £19,900, £2,250 more than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-q3-2020-8fb08d3f8153

Browse all Audi Q3 cars for sale · 2020 Audi Q3 price guide

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Photos

34 photos of this car are 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.