2023 Audi A3 1.5 TFSI S Line
Price: £21,101. Fair price: £246 (1%) under the AskCar estimate of £21,347, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,645 priced Audi A3 adverts on AskCar as of 5 November 2026.
AskCar lists 6,826 used Audi A3 from 2,317 UK dealerships, as of 5 November 2026.
Overview
- Make: Audi
- Model: A3
- Trim: S Line
- Version: 1.5 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
- Year: 2023
- Mileage: 23,283 miles
- Fuel: Petrol, mild hybrid
- Body: Hatchback, 5 doors, 5 seats
- Engine: 1.5 litres, 148 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: White
- CO2: 135 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 23,283 miles, this 2023 Audi A3 S Line has covered about 3,500 fewer miles than other 2023 Audi A3 cars. The AskCar estimate for this car is £21,347. It is priced at £21,101, which is £246 below that estimate. The AskCar estimate uses UK dealer asking prices, including 6,645 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 42 days ago. Its asking price has since fallen by £649. The seller is Swansway Garages Carlisle Audi, based in Carlisle. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £246 (1%) under the AskCar estimate of £21,347.
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 2023 Audi A3 with the 1.5 petrol engine is typically advertised at £20,500: the median of the 513 for sale on AskCar, as of 5 November 2026.
Time on sale
This 2023 Audi A3 has been on sale for at least 42 days.
Price history
AskCar first saw this advert on 24 September 2026 at £21,750. Its asking price is now £21,101, £649 less. The latest price cut was seen on 4 November 2026.
Price changes recorded:
- 24 September 2026: £21,750
- 22 October 2026: £21,220
- 4 November 2026: £21,101
Mileage and MOT
Advertised mileage is about 3,500 miles lower than the median mileage of a 2023 Audi A3 on AskCar.
Similar cars
137 other 2023 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £16,195 to £24,670, as of 5 November 2026.
The 3 closest to this car in mileage:
- 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 23,220 miles. Price: £22,095, £994 more than this car. Dealer: Group 1 Automotive Watford Audi in Watford. AskCar page: https://askcar.co.uk/car/audi-a3-2023-e771fa25f38e
- 2023 Audi A3 S Line, 1.5 petrol hatchback, red. Mileage: 23,407 miles. Price: £21,995, £894 more than this car. Dealer: Group 1 Automotive Chelmsford Audi in Chelmsford. AskCar page: https://askcar.co.uk/car/audi-a3-2023-3e428bc3bdd3
- 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 23,875 miles. Price: £21,998, £897 more than this car. Dealer: Arnold Clark Ayr BYD in Prestwick. AskCar page: https://askcar.co.uk/car/audi-a3-2023-45c283f16d5c
- The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, grey, 49 miles from this car. Mileage: 33,781 miles. Price: £20,995, £106 less than this car. Dealer: Lake District Audi in Grange-over-Sands. AskCar page: https://askcar.co.uk/car/audi-a3-2023-304b7e8c68a2
Browse all Audi A3 cars for sale · 2023 Audi A3 price guide
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Photos
5 photos of this car are on its AskCar page.
As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.