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: 40,797 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 40,797 miles, around 9,200 fewer miles than is typical for its age. Its asking price of £15,862 is £691 below the AskCar estimate of £16,553. The AskCar estimate draws on 6,645 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert today. Its advertised mileage matches the government's MOT record. You can find this car at Cargem in Rainham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £691 (4%) under the AskCar estimate of £16,553.

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 6,645 priced Audi A3 adverts across different ages and specifications, as of 5 November 2026.

A 2020 Audi A3 with the 1.5 petrol engine is typically advertised at £16,000: the median of the 148 for sale on AskCar, as of 5 November 2026.

Time on sale

AskCar first saw this 2020 Audi A3 advertised today. About half of 2020 Audi A3 cars are gone from sale within a month of being advertised: 254 of the 483 first advertised between 8 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 5 November 2026 at £15,862. 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 5 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 40,797 miles.

Advertised mileage is about 9,200 miles lower than the median mileage of a 2020 Audi A3 on AskCar.

Similar cars

13 other 2020 Audi A3 S Line 1.5 petrol automatic saloons are for sale at UK dealers, from £13,990 to £18,900, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2020 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 40,672 miles. Price: £17,104, £1,242 more than this car. Dealer: Lookers Audi Farnborough in Farnborough. AskCar page: https://askcar.co.uk/car/audi-a3-2020-a2e90aaf36b8
• 2020 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 41,350 miles. Price: £18,498, £2,636 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, grey. Mileage: 42,662 miles. Price: £18,000, £2,138 more than this car. Dealer: Sytner Group Audi Reading in Reading. AskCar page: https://askcar.co.uk/car/audi-a3-2020-53c66abfb3f7

• The nearest: 2020 Audi A3 S Line, 1.5 petrol saloon, grey, 17 miles from this car. Mileage: 43,029 miles. Price: £18,000, £2,138 more than this car. Dealer: Winchmore Hill Car Sales in Hoddesdon. AskCar page: https://askcar.co.uk/car/audi-a3-2020-241dcf95e2d1