2023 Audi A3 1.5 TFSI S Line
Price: £22,991. Above the going rate: £1,770 (8%) over the AskCar estimate of £21,221, 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: 10,284 miles
- Fuel: Petrol
- Body: Saloon, 4 doors, 5 seats
- Engine: 1.5 litres, 148 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Grey
- CO2: 133 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2023 Audi A3 S Line has covered 10,284 miles, around 16,700 fewer miles than is typical for its age. Priced at £22,991, it is advertised £1,770 above the AskCar estimate of £21,221. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 59 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Sinclair Volkswagen (Swansea), based in Swansea. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Above the going rate: £1,770 (8%) over the AskCar estimate of £21,221.
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
This 2023 Audi A3 has been on sale for at least 59 days.
Price history
AskCar first saw this advert on 4 September 2026 at £22,991. Its asking price has not changed.
Mileage and MOT
It has had one MOT, on 5 September 2026, and passed.
There were no advisories at the latest test.
Mileage at that test: 10,286 miles, which matches the advertised 10,284 miles.
Advertised mileage is about 16,700 miles lower 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 £22,710, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2023 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 10,196 miles. Price: £18,499, £4,492 less than this car. Dealer: Vertu Skoda Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/audi-a3-2023-41c1189a3039
- 2023 Audi A3 S Line, 1.5 petrol saloon, white. Mileage: 9,191 miles. Price: £22,710, £281 less than this car. Dealer: Sinclair Group in Bridgend. AskCar page: https://askcar.co.uk/car/audi-a3-2023-05485ea24bf2
- 2023 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 8,469 miles. Price: £21,595, £1,396 less than this car. Dealer: Group 1 Automotive Stockport Audi in Stockport. AskCar page: https://askcar.co.uk/car/audi-a3-2023-513e38f8a8d2
Browse all Audi A3 cars for sale · 2023 Audi A3 price guide
More like this
- Used Audi A3 S Line prices
- Used manual Audi A3 for sale
- Used petrol Audi A3 for sale
- Used Audi A3 for sale near Swansea
Photos
40 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.