2020 Audi A3 1.5 TFSI S Line
Price: £16,994. Fair price: £632 (3%) under the AskCar estimate of £17,626, 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 35 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
- Year: 2020
- Mileage: 25,166 miles
- Fuel: Petrol
- Body: Hatchback, 5 doors, 5 seats
- Engine: 1.5 litres, 148 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: White
- CO2: 136 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2020 Audi A3 S Line is advertised with 25,166 miles, approximately 25,200 below the typical mileage for its age. The dealer is asking £16,994, which is £632 below the AskCar estimate of £17,626. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. Since we first spotted the advert 111 days ago, the asking price has dropped by £410. Our latest MOT record expired on 1 November 2026. Check the current position with the dealer. Its advertised mileage matches the government's MOT record. The seller is Hilton Car Supermarket Milton Keynes, based in Milton Keynes. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £632 (3%) under the AskCar estimate of £17,626.
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 111 days.
Price history
AskCar first saw this advert on 14 July 2026 at £17,404. Its asking price is now £16,994, £410 less. The latest price cut was seen on 29 October 2026.
Price changes recorded:
- 15 July 2026: £17,404
- 18 July 2026: £17,730
- 26 July 2026: £17,740
- 29 July 2026: £17,735
- 30 July 2026: £17,750
- 31 July 2026: £17,745
- 3 August 2026: £17,760
- 5 August 2026: £17,765
- 7 August 2026: £17,760
- 10 August 2026: £17,765
- 11 August 2026: £17,760
- 13 August 2026: £17,755
- 15 August 2026: £17,765
- 19 August 2026: £17,785
- 20 August 2026: £17,805
- 21 August 2026: £17,935
- 26 August 2026: £17,670
- 30 August 2026: £17,725
- 4 September 2026: £17,735
- 5 September 2026: £17,725
- 9 September 2026: £17,690
- 12 September 2026: £17,645
- 18 September 2026: £17,455
- 19 September 2026: £17,460
- 22 September 2026: £17,445
- 25 September 2026: £17,450
- 29 September 2026: £17,455
- 1 October 2026: £17,460
- 2 October 2026: £17,465
- 5 October 2026: £17,470
- 9 October 2026: £17,425
- 15 October 2026: £17,205
- 17 October 2026: £17,190
- 19 October 2026: £16,900
- 23 October 2026: £16,895
- 27 October 2026: £16,890
- 28 October 2026: £16,755
- 29 October 2026: £16,395
- 30 October 2026: £16,994
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 1 November 2026; ask the dealer for the current MOT.
It has had 3 MOTs. The latest, on 28 October 2025, passed.
Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge.
Mileage at that test: 24,103 miles, which matches the advertised 25,166 miles.
Advertised mileage is about 25,200 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, grey. Mileage: 25,586 miles. Price: £15,930, £1,064 less than this car. Dealer: Evans Halshaw Omoda Jaecoo Gainsborough in Gainsborough. AskCar page: https://askcar.co.uk/car/audi-a3-2020-6f0cd9bc071d
- 2020 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 26,325 miles. Price: £16,994, the same price as this car. Dealer: Hilton Car Supermarket Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/audi-a3-2020-7fec0d985e11
- 2020 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 23,308 miles. Price: £16,495, £499 less than this car. Dealer: MSC Motors in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/audi-a3-2020-4a47c3e92598
Browse all Audi A3 cars for sale · 2020 Audi A3 price guide
More like this
- Used Audi A3 S Line prices
- Used Audi A3 for sale under £20,000
- Used manual Audi A3 for sale
- Used petrol Audi A3 for sale
- Used Audi A3 for sale near Milton Keynes
Photos
30 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.