2023 Audi A3 1.0 TFSI S Line
Version: 1.0 TFSI 30 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (108 bhp)
Price: £18,250. Fair price: £125 (under 1%) under the AskCar estimate of £18,375, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,475 priced Audi A3 adverts on AskCar as of 30 October 2026.
AskCar lists 6,654 used Audi A3 from 2,240 UK dealerships, as of 30 October 2026.
Overview
- Make
- Audi
- Model
- A3
- Trim
- S Line
- Version
- 1.0 TFSI 30 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (108 bhp)
- Mileage
- 25,000 miles
- Year
- 2023
- Fuel type
- Petrol
- Body type
- Hatchback
- Engine
- 1.0 L
- Gearbox
- Manual
- Power
- 108 bhp
- Seats
- 5
- CO2
- 132 g/km
- Colour
- Blue
- Doors
- 5
- Driven wheels
- Front Wheel Drive
- Engine badge
- TFSI
- Emissions standard
- Euro 6
About this car
This 2023 Audi A3 S Line has covered 25,000 miles. The dealer is asking £18,250, which is £125 below the AskCar estimate of £18,375. To work out the AskCar estimate, we analyse UK dealer adverts for 6,475 Audi A3 cars across different ages and specifications. We have tracked this advert today. MOT records show an expiry date of 21 September 2027, and the latest recorded mileage is consistent with the advert. The seller is Mon Motors Cardiff Audi, based in Cardiff.
Stock data as of 30 October 2026.
Price history
AskCar first saw this advert on 30 October 2026.
| Date observed | Asking price |
|---|---|
| 30 October 2026 | £18,250 |
Price and mileage comparison
Fair price: £125 (under 1%) under the AskCar estimate of £18,375.
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 6,475 priced Audi A3 adverts across different ages and specifications, as of 30 October 2026.
Advertised mileage is about 1,900 miles lower than the median mileage of a 2023 Audi A3 on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 21 September 2027. 23,998 miles at the last test.
Other matching cars
236 other 2023 Audi A3 S Line manual petrol cars are for sale at UK dealers from £11,995 to £22,991, as of 30 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: 94,000 miles. Dealer: Car-Isma Cheshire in Knutsford. AskCar page: https://askcar.co.uk/car/audi-a3-2023-5de73b113b59
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
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How to contact the dealer and its opening hours are on this AskCar page.
As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.