2020 Audi A3 1.5 TFSI S Line

Price: £16,998. Fair price: £184 (1%) over the AskCar estimate of £16,814, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,702 priced Audi A3 adverts on AskCar as of 11 November 2026.

AskCar lists 6,843 used Audi A3 from 2,305 UK dealerships, as of 11 November 2026.

Overview

Make: Audi
Model: A3
Trim: S Line
Version: 1.5 TFSI S Line S tronic FWD Euro 6 5dr (147 bhp)
Year: 2020
Mileage: 54,199 miles
Fuel: Petrol
Body: Hatchback, 5 doors, 5 seats
Engine: 1.5 litres, 147 bhp
Gearbox: Automatic (S tronic)
Drive: Front-wheel drive
Colour: Grey
CO2: 138 g/km
Emissions standard: Euro 6, ULEZ compliant

About this car

At 54,199 miles, this 2020 Audi A3 S Line has covered about 3,300 more miles than other 2020 Audi A3 cars. The dealer is asking £16,998, which is £184 above the AskCar estimate of £16,814. To work out the AskCar estimate, we analyse UK dealer adverts for 6,702 Audi A3 cars across different ages and specifications. We have tracked this advert today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Stirling Volkswagen, based in Stirling. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 11 November 2026.

How we estimate prices and check cars

Arnold Clark Stirling Volkswagen is rated 4.6 out of 5 on Google.

Price

Fair price: £184 (1%) over the AskCar estimate of £16,814.

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 6,702 priced Audi A3 adverts across different ages and specifications, as of 11 November 2026.

A 2020 Audi A3 with the 1.5 petrol engine is typically advertised at £15,800: the median of the 153 for sale on AskCar, as of 11 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: 269 of the 517 first advertised between 11 July 2026 and 8 October 2026.

Price history

AskCar first saw this advert on 11 November 2026 at £16,998. 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 11 November 2026: valid until 7 September 2027.

It has had 4 MOTs. The latest, on 25 August 2026, passed.

Advisories at the latest test: offside rear shock absorbers has light misting of oil.

Mileage at that test: 51,751 miles, which matches the advertised 54,199 miles.

Advertised mileage is about 3,300 miles higher than the median mileage of a 2020 Audi A3 on AskCar.

Similar cars

27 other 2020 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £13,100 to £20,750, as of 11 November 2026.

The 3 closest to this car in mileage:

2020 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 54,250 miles. Price: £15,950, £1,048 less than this car. Dealer: B M Autoexchange in Newtownards. AskCar page: https://askcar.co.uk/car/audi-a3-2020-e2b1c9af6932
2020 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 54,066 miles. Price: £16,795, £203 less than this car. Dealer: Hawco Group in Dundee. AskCar page: https://askcar.co.uk/car/audi-a3-2020-386555bf7269
2020 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 52,537 miles. Price: £16,632, £366 less than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/audi-a3-2020-0821b03c844a

Browse all Audi A3 cars for sale · 2020 Audi A3 price guide

Photos

19 photos of this car are on its AskCar page.

As of 11 November 2026, AskCar lists 593,449 cars and vans from 12,847 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.