2023 Audi A3 1.5 TFSI S Line

Price: £18,395. Fair price: £962 (4%) under the AskCar estimate of £19,357, 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 S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
  • Year: 2023
  • Mileage: 44,006 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: Blue
  • CO2: 135 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 44,006 miles, this 2023 Audi A3 S Line has covered about 17,000 more miles than other 2023 Audi A3 cars. Its asking price of £18,395 is £962 below the AskCar estimate of £19,357. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 122 days, and its asking price has been cut by £1,100. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Motor Range Liverpool in Bootle. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £962 (4%) under the AskCar estimate of £19,357.

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

The dealer may accept less. This 2023 Audi A3 has been on sale for at least 122 days, and its asking price has been cut by £1,100. About half of 2023 Audi A3 cars are gone from sale within a month of being advertised: 963 of the 1,886 first advertised between 8 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 3 July 2026 at £19,495. Its asking price is now £18,395, £1,100 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

  • 4 July 2026: £19,495
  • 12 September 2026: £18,895
  • 13 October 2026: £18,595
  • 23 October 2026: £18,395

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 11 April 2027.

It has had one MOT, on 1 April 2026, and passed.

Advisories at the latest test: windscreen damaged but not adversely affecting driver's view; items removed from driver's view prior to test; offside front shock absorbers has light misting of oil; and 1 more.

Mileage at that test: 42,175 miles, which matches the advertised 44,006 miles.

Advertised mileage is about 17,000 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

128 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 2 November 2026.

The 3 closest to this car in mileage:

  • 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 43,682 miles. Price: £19,010, £615 more than this car. Dealer: Big Motoring World Sheffield in Sheffield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-cffdf8b9b3e7
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 43,410 miles. Price: £20,498, £2,103 more than this car. Dealer: Arnold Clark Ayr BYD in Prestwick. AskCar page: https://askcar.co.uk/car/audi-a3-2023-3798f832b717
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 44,969 miles. Price: £20,495, £2,100 more than this car. Dealer: John Clark Motor Group in Inverness. AskCar page: https://askcar.co.uk/car/audi-a3-2023-0a5cf4726f3d
  • The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, white, under a mile from this car. Mileage: 25,825 miles. Price: £20,895, £2,500 more than this car. Dealer: Motor Range Liverpool in Liverpool. AskCar page: https://askcar.co.uk/car/audi-a3-2023-22253f4cc9f3

Browse all Audi A3 cars for sale · 2023 Audi A3 price guide

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Photos

39 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.