2023 Audi A3 1.5 TFSI S Line
Price: £15,450. Fair price: £329 (2%) over the AskCar estimate of £15,121, 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) 4dr (148 bhp)
- Year: 2023
- Mileage: 73,000 miles
- Fuel: Petrol
- Body: Saloon, 4 doors, 5 seats
- Engine: 1.5 litres, 148 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Black
- CO2: 133 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2023 Audi A3 S Line is advertised with 73,000 miles, approximately 46,000 above the typical mileage for its age. Its asking price of £15,450 is £329 above the AskCar estimate of £15,121. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 158 days, and its asking price is down £1,500. You can find this car at Windmill Autos in Sandy. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £329 (2%) over the AskCar estimate of £15,121.
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 2023 Audi A3 with the 1.5 petrol engine is typically advertised at £20,600: the median of the 493 for sale on AskCar, as of 2 November 2026.
Time on sale
The dealer may accept less. This 2023 Audi A3 has been on sale for at least 158 days, and its asking price has been cut by £1,500. About half of 2023 Audi A3 cars are gone from sale within a month of being advertised: 963 of the 1,886 first advertised between 8 July 2026 and 29 September 2026.
Price history
AskCar first saw this advert on 28 May 2026 at £16,950. Its asking price is now £15,450, £1,500 less. The latest price cut was seen on 17 October 2026.
Price changes recorded:
- 29 May 2026: £16,950
- 16 June 2026: £16,450
- 2 August 2026: £15,950
- 5 October 2026: £15,750
- 17 October 2026: £15,450
Mileage and MOT
Advertised mileage is about 46,000 miles higher than the median mileage of a 2023 Audi A3 on AskCar.
Similar cars
20 other 2023 Audi A3 S Line 1.5 petrol manual saloons are for sale at UK dealers, from £15,295 to £22,991, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2023 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 67,160 miles. Price: £15,295, £155 less than this car. Dealer: V12 Sports & Classics Ltd - Hinckley in Hinckley. AskCar page: https://askcar.co.uk/car/audi-a3-2023-fe1065c9d9e5
- 2023 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 50,037 miles. Price: £16,100, £650 more than this car. Dealer: Big Motoring World Norwich in Norwich. AskCar page: https://askcar.co.uk/car/audi-a3-2023-42b55773633a
- 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 46,574 miles. Price: £16,200, £750 more than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-a3-2023-2a5efca14ccd
- The nearest: 2023 Audi A3 S Line, 1.5 petrol saloon, blue, 28 miles from this car. Mileage: 20,328 miles. Price: £20,955, £5,505 more than this car. Dealer: Vindis Group Northampton Audi in Northampton. AskCar page: https://askcar.co.uk/car/audi-a3-2023-f66644033897
Browse all Audi A3 cars for sale · 2023 Audi A3 price guide
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Photos
68 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.