2023 Audi A3 1.5 TFSI S Line
Price: £21,999. Fair price: £1,281 (5%) under the AskCar estimate of £23,280, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,630 priced Audi A3 adverts on AskCar as of 4 November 2026.
AskCar lists 6,774 used Audi A3 from 2,309 UK dealerships, as of 4 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: 6,985 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: Grey
- CO2: 135 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 6,985 miles on the clock, this 2023 Audi A3 S Line has done roughly 19,700 fewer miles than a typical 2023 Audi A3. The AskCar estimate for this car is £23,280. It is priced at £21,999, which is £1,281 below that estimate. The AskCar estimate draws on 6,630 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 18 days ago. The seller is Available Car Supermarket - Castle Donington, based in Castle Donnington. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £1,281 (5%) under the AskCar estimate of £23,280.
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 6,630 priced Audi A3 adverts across different ages and specifications, as of 4 November 2026.
A 2023 Audi A3 with the 1.5 petrol engine is typically advertised at £20,600: the median of the 503 for sale on AskCar, as of 4 November 2026.
Time on sale
This 2023 Audi A3 has been on sale for at least 18 days.
Price history
AskCar first saw this advert on 17 October 2026 at £21,999. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 19,700 miles lower than the median mileage of a 2023 Audi A3 on AskCar.
Similar cars
132 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 4 November 2026.
The 3 closest to this car in mileage:
- 2023 Audi A3 S Line, 1.5 petrol hatchback, red. Mileage: 5,881 miles. Price: £24,299, £2,300 more than this car. Dealer: cinch in Coulsdon. AskCar page: https://askcar.co.uk/car/audi-a3-2023-5a5f495c3985
- 2023 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 8,413 miles. Price: £23,550, £1,551 more than this car. Dealer: Group 1 Automotive Finchley Road Audi in Camden. AskCar page: https://askcar.co.uk/car/audi-a3-2023-e8302566b623
- 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 8,575 miles. Price: £23,356, £1,357 more than this car. Dealer: Lookers Audi Guildford in Guildford. AskCar page: https://askcar.co.uk/car/audi-a3-2023-3953533a3683
- The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, blue, 6 miles from this car. Mileage: 27,233 miles. Price: £23,000, £1,001 more than this car. Dealer: Sytner Group Derby Audi in Derby. AskCar page: https://askcar.co.uk/car/audi-a3-2023-6b8507b39372
Browse all Audi A3 cars for sale · 2023 Audi A3 price guide
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Photos
40 photos of this car are on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.