2020 Audi A3 1.5 TFSI CoD S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI CoD 35 S Line S tronic FWD Euro 6 (s/s) 4dr (148 bhp)
• Year: 2020
• Mileage: 40,672 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 117 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi A3 S Line has covered 40,672 miles, around 9,700 fewer miles than is typical for its age. Its asking price of £17,104 is £245 above the AskCar estimate of £16,859. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 104 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Lookers Audi Farnborough, based in Farnborough. 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: £245 (1%) over the AskCar estimate of £16,859.

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 6,542 priced Audi A3 adverts across different ages and specifications, as of 2 November 2026.

A 2020 Audi A3 with the 1.5 petrol engine is typically advertised at £16,000: the median of the 134 for sale on AskCar, as of 2 November 2026.

Time on sale

The dealer may accept less. This 2020 Audi A3 has been on sale for at least 104 days. About half of 2020 Audi A3 cars are gone from sale within a month of being advertised: 226 of the 433 first advertised between 8 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 21 July 2026 at £16,999. Its asking price is now £17,104, £105 more.

Price changes recorded:

• 22 July 2026: £16,999
• 24 July 2026: £16,904
• 4 August 2026: £16,903
• 6 August 2026: £16,811
• 8 August 2026: £17,104

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 9 June 2027.

It has had 5 MOTs. The latest, on 10 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 40,311 miles, which matches the advertised 40,672 miles.

Advertised mileage is about 9,700 miles lower than the median mileage of a 2020 Audi A3 on AskCar.

Similar cars

12 other 2020 Audi A3 S Line 1.5 petrol automatic saloons are for sale at UK dealers, from £13,990 to £21,200, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 40,975 miles. Price: £17,995, £891 more than this car. Dealer: NSA Motor Vehicles in Milton Keynes. AskCar page: https://askcar.co.uk/car/audi-a3-2020-9d6fc760e872
• 2020 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 41,350 miles. Price: £18,498, £1,394 more than this car. Dealer: Arnold Clark Liverpool Motorstore / MG / Chery in Liverpool. AskCar page: https://askcar.co.uk/car/audi-a3-2020-01013607e84d
• 2020 Audi A3 S Line, 1.5 petrol saloon, white. Mileage: 44,534 miles. Price: £16,785, £319 less than this car. Dealer: Autochoice Car Supermarket in Blackburn. AskCar page: https://askcar.co.uk/car/audi-a3-2020-abb83743ad6a

• The nearest: 2020 Audi A3 S Line, 1.5 petrol saloon, blue, 29 miles from this car. Mileage: 51,334 miles. Price: £14,450, £2,654 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-a3-2020-edda87edf116