2023 Audi A3 1.5 TFSI S Line

Price: £19,887. Fair price: £619 (3%) under the AskCar estimate of £20,506, 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) 4dr (148 bhp)
  • Year: 2023
  • Mileage: 38,072 miles
  • Fuel: Petrol, mild hybrid
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 1.5 litres, 148 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 131 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 38,072 miles on the clock, this 2023 Audi A3 S Line has done roughly 11,100 more miles than a typical 2023 Audi A3. Its asking price of £19,887 is £619 below the AskCar estimate of £20,506. 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 73 days, and its asking price has been cut by £1,113. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is JCT600 Volkswagen Grimsby, based in Grimsby. 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: £619 (3%) under the AskCar estimate of £20,506.

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 73 days, and its asking price has been cut by £1,113. 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 21 August 2026 at £21,000. Its asking price is now £19,887, £1,113 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

  • 21 August 2026: £21,000
  • 22 August 2026: £21,481
  • 1 September 2026: £21,721
  • 15 September 2026: £21,402
  • 17 September 2026: £21,617
  • 18 September 2026: £21,618
  • 19 September 2026: £21,365
  • 22 September 2026: £21,148
  • 29 September 2026: £21,031
  • 30 September 2026: £20,821
  • 14 October 2026: £20,225
  • 20 October 2026: £20,596
  • 25 October 2026: £20,324
  • 28 October 2026: £20,094
  • 29 October 2026: £20,095
  • 30 October 2026: £19,887

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 14 May 2027.

It has had one MOT, on 29 April 2026, and passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 35,637 miles, which matches the advertised 38,072 miles.

Advertised mileage is about 11,100 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

41 other 2023 Audi A3 S Line 1.5 petrol automatic saloons are for sale at UK dealers, from £16,290 to £24,499, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 37,483 miles. Price: £20,895, £1,008 more than this car. Dealer: Group 1 Automotive Stansted Audi in Bishop's Stortford. AskCar page: https://askcar.co.uk/car/audi-a3-2023-ba108fdd975c
  • 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 35,857 miles. Price: £19,990, £103 more than this car. Dealer: Barlow Motors Stoke Cupra in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/audi-a3-2023-ce3d72415250
  • 2023 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 41,330 miles. Price: £19,818, £69 less than this car. Dealer: Trust Ford Edgware in Edgware. AskCar page: https://askcar.co.uk/car/audi-a3-2023-655a6421b0e3
  • The nearest: 2023 Audi A3 S Line, 1.5 petrol saloon, blue, 20 miles from this car. Mileage: 25,056 miles. Price: £21,918, £2,031 more than this car. Dealer: JCT600 Hull Audi in Hessle. AskCar page: https://askcar.co.uk/car/audi-a3-2023-c3a6f7651d1f

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

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Photos

51 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.