2023 Audi A3 1.0 TFSI S Line
Price: £18,399. Fair price: £138 (under 1%) over the AskCar estimate of £18,262, 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: 1.0 TFSI 30 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (108 bhp)
- Year: 2023
- Mileage: 40,970 miles
- Fuel: Petrol, mild hybrid
- Body: Hatchback, 5 doors, 5 seats
- Engine: 1.0 litres, 108 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: Black
- CO2: 124 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 40,970 miles on the clock, this 2023 Audi A3 S Line has done roughly 14,000 more miles than a typical 2023 Audi A3. The AskCar estimate for this car is £18,262. It is priced at £18,399, which is £138 above that estimate. The AskCar estimate uses 6,542 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 23 days ago, and its asking price has since fallen by £100. It is advertised by Lookers in Newtownabbey. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £138 (under 1%) over the AskCar estimate of £18,262.
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 1.0 petrol engine is typically advertised at £18,200: the median of the 453 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2023 Audi A3 has been on sale for at least 23 days.
Price history
AskCar first saw this advert on 10 October 2026 at £18,499. Its asking price is now £18,399, £100 less. The latest price cut was seen on 1 November 2026.
Price changes recorded:
- 10 October 2026: £18,499
- 1 November 2026: £18,399
Mileage and MOT
Advertised mileage is about 14,000 miles higher than the median mileage of a 2023 Audi A3 on AskCar.
Similar cars
174 other 2023 Audi A3 S Line 1.0 petrol automatic hatchbacks are for sale at UK dealers, from £14,990 to £23,180, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2023 Audi A3 S Line, 1.0 petrol hatchback, blue. Mileage: 41,365 miles. Price: £17,510, £889 less than this car. Dealer: Big Motoring World Blue Bell Hill in Blue Bell Hill. AskCar page: https://askcar.co.uk/car/audi-a3-2023-6b78616a7105
- 2023 Audi A3 S Line, 1.0 petrol hatchback, black. Mileage: 41,736 miles. Price: £18,340, £59 less than this car. Dealer: Big Motoring World Enfield in Enfield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-9670022649ad
- 2023 Audi A3 S Line, 1.0 petrol hatchback, white. Mileage: 41,782 miles. Price: £18,498, £99 more than this car. Dealer: Arnold Clark Hillington Renault / Dacia / Alpine / Vanstore in Hillington. AskCar page: https://askcar.co.uk/car/audi-a3-2023-dca239626730
- The nearest: 2023 Audi A3 S Line, 1.0 petrol hatchback, black, under a mile from this car. Mileage: 2,023 miles. Price: £18,888, £489 more than this car. Dealer: Giraffe Cars in Newtownabbey. AskCar page: https://askcar.co.uk/car/audi-a3-2023-a648f7dc03db
Browse all Audi A3 cars for sale · 2023 Audi A3 price guide
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Photos
31 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.