2023 Audi A3 1.5 TFSI S Line
Version: 1.5 TFSI 35 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
Price: £21,190. Fair price: £823 (4%) over the AskCar estimate of £20,367, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,600 priced Audi A3 adverts on AskCar as of 31 October 2026.
AskCar lists 6,729 used Audi A3 from 2,260 UK dealerships, as of 31 October 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)
- Mileage
- 14,829 miles
- Year
- 2023
- Fuel type
- Petrol
- Body type
- Hatchback
- Engine
- 1.5 L
- Gearbox
- Manual
- Power
- 148 bhp
- Seats
- 5
- CO2
- 136 g/km
- Colour
- White
- Doors
- 5
- Driven wheels
- Front Wheel Drive
- Engine badge
- TFSI
- Emissions standard
- Euro 6
About this car
With 14,829 miles on the clock, this 2023 Audi A3 S Line has done roughly 12,100 fewer miles than a typical 2023 Audi A3. Priced at £21,190, it is advertised £823 above the AskCar estimate of £20,367. The AskCar estimate uses 6,600 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert today. The seller is Big Motoring World Peterborough, based in Peterborough.
Stock data as of 31 October 2026.
Price history
AskCar first saw this advert on 31 October 2026.
| Date observed | Asking price |
|---|---|
| 31 October 2026 | £21,190 |
Price and mileage comparison
Fair price: £823 (4%) over the AskCar estimate of £20,367.
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 6,600 priced Audi A3 adverts across different ages and specifications, as of 31 October 2026.
Advertised mileage is about 12,100 miles lower than the median mileage of a 2023 Audi A3 on AskCar.
Other matching cars
242 other 2023 Audi A3 S Line manual petrol cars are for sale at UK dealers from £11,995 to £22,991, as of 31 October 2026.
The 5 cheapest:
- 2023 Audi A3. Price: £11,995. Mileage: 28,000 miles. Dealer: WLM Cars in Bradford. AskCar page: https://askcar.co.uk/car/audi-a3-2023-b059e158b37f
- 2023 Audi A3. Price: £12,300. Mileage: 89,854 miles. Dealer: Fusion Motors in Grays. AskCar page: https://askcar.co.uk/car/audi-a3-2023-c6b2ea78bdfb
- 2023 Audi A3. Price: £12,800. Mileage: 95,398 miles. Dealer: Big Motoring World Blue Bell Hill in Blue Bell Hill. AskCar page: https://askcar.co.uk/car/audi-a3-2023-475b709832ac
- 2023 Audi A3. Price: £13,400. Mileage: 69,441 miles. Dealer: Quality Part X Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/audi-a3-2023-c83cd1ef4bb5
- 2023 Audi A3. Price: £13,995. Mileage: 77,000 miles. Dealer: Snigwig Car Centre in Northallerton. AskCar page: https://askcar.co.uk/car/audi-a3-2023-2f2000109774
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all Audi A3 cars for sale · 2023 Audi A3 price guide
More like this
Photos
1 photo of this car is on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.