2020 Audi A3 1.5 TFSI S Line
Price: £17,599. Fair price: £213 (1%) under the AskCar estimate of £17,812, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,542 priced Audi A3 adverts on AskCar as of 2 November 2026.
AskCar lists 6,720 used Audi A3 from 2,302 UK dealerships, as of 2 November 2026.
Overview
- Make: Audi
- Model: A3
- Trim: S Line
- Version: 1.5 TFSI S Line Manual FWD Euro 6 5dr (147 bhp)
- Year: 2020
- Mileage: 18,085 miles
- Fuel: Petrol
- Body: Hatchback, 5 doors, 5 seats
- Engine: 1.5 litres, 147 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Grey
- CO2: 141 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2020 Audi A3 S Line has covered 18,085 miles, around 32,300 fewer miles than is typical for its age. Priced at £17,599, it is advertised £213 below the AskCar estimate of £17,812. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 16 days ago. Its asking price has since fallen by £1,100. We checked its advertised mileage against the government's MOT record, and they match. The seller is Motorpoint Norwich, based in Norwich. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £213 (1%) under the AskCar estimate of £17,812.
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
This 2020 Audi A3 has been on sale for at least 16 days.
Price history
AskCar first saw this advert on 17 October 2026 at £18,699. Its asking price is now £17,599, £1,100 less. The latest price cut was seen on 31 October 2026.
Price changes recorded:
- 17 October 2026: £18,699
- 23 October 2026: £17,749
- 31 October 2026: £17,599
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 16 September 2027.
It has had 4 MOTs. The latest, on 17 September 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 18,084 miles, which matches the advertised 18,085 miles.
Advertised mileage is about 32,300 miles lower than the median mileage of a 2020 Audi A3 on AskCar.
Similar cars
30 other 2020 Audi A3 S Line 1.5 petrol manual hatchbacks are for sale at UK dealers, from £11,995 to £18,020, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2020 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 16,842 miles. Price: £18,020, £421 more than this car. Dealer: Big Motoring World Cannock in Cannock. AskCar page: https://askcar.co.uk/car/audi-a3-2020-2d3d55e4012c
- 2020 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 21,600 miles. Price: £17,495, £104 less than this car. Dealer: Troops in Leadenham. AskCar page: https://askcar.co.uk/car/audi-a3-2020-5ac343a9c3e4
- 2020 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 23,308 miles. Price: £16,495, £1,104 less than this car. Dealer: MSC Motors in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/audi-a3-2020-4a47c3e92598
- The nearest: 2020 Audi A3 S Line, 1.5 petrol hatchback, red, 41 miles from this car. Mileage: 43,729 miles. Price: £15,595, £2,004 less than this car. Dealer: Amina Autos in Ipswich. AskCar page: https://askcar.co.uk/car/audi-a3-2020-2cb41e28559d
Browse all Audi A3 cars for sale · 2020 Audi A3 price guide
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Photos
60 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.