2023 Audi A3 1.5 TFSI S Line
Price: £18,950. Fair price: £229 (1%) under the AskCar estimate of £19,179, 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 S Line Manual FWD Euro 6 (s/s) 5dr Sportback
- Year: 2023
- Mileage: 25,649 miles
- Fuel: Petrol
- Body: Hatchback, 5 doors, 5 seats
- Engine: 1.5 litres
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Grey
- CO2: 136 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
The advertised mileage for this 2023 Audi A3 S Line is 25,649 miles. Its asking price of £18,950 is £229 below the AskCar estimate of £19,179. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We first saw this car advertised 31 days ago. Its asking price has since fallen by £1,050. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Mon Motors Bristol Audi, based in Bristol. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £229 (1%) under the AskCar estimate of £19,179.
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 31 days.
Price history
AskCar first saw this advert on 2 October 2026 at £20,000. Its asking price is now £18,950, £1,050 less. The latest price cut was seen on 31 October 2026.
Price changes recorded:
- 2 October 2026: £20,000
- 13 October 2026: £19,750
- 23 October 2026: £19,350
- 31 October 2026: £18,950
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 17 May 2027.
It has had one MOT, on 11 May 2026, and passed.
Advisories at the latest test: front windscreen wiper blade defective.
Mileage at that test: 22,947 miles, which matches the advertised 25,649 miles.
Advertised mileage is about 1,400 miles lower than the median mileage of a 2023 Audi A3 on AskCar.
Similar cars
79 other 2023 Audi A3 S Line 1.5 petrol manual hatchbacks are for sale at UK dealers, from £13,995 to £22,498, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2023 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 25,515 miles. Price: £20,195, £1,245 more than this car. Dealer: Group 1 Automotive Norwich Audi in Norwich. AskCar page: https://askcar.co.uk/car/audi-a3-2023-3a98d4192535
- 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 25,500 miles. Price: £18,850, £100 less than this car. Dealer: Mon Motors Cheltenham Audi in Cheltenham. AskCar page: https://askcar.co.uk/car/audi-a3-2023-a963ea029dd1
- 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 25,846 miles. Price: £19,290, £340 more than this car. Dealer: Direct Cars in Sheffield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-942c00f8a5ab
- The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, white, 6 miles from this car. Mileage: 29,090 miles. Price: £18,149, £801 less than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/audi-a3-2023-d4ebd12dd7a1
Browse all Audi A3 cars for sale · 2023 Audi A3 price guide
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Photos
37 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.