2023 Audi A3 1.5 TFSI S Line

Price: £17,790. Fair price: £1,460 (7%) under the AskCar estimate of £19,250, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,645 priced Audi A3 adverts on AskCar as of 5 November 2026.

AskCar lists 6,826 used Audi A3 from 2,317 UK dealerships, as of 5 November 2026.

Overview

  • Make: Audi
  • Model: A3
  • Trim: S Line
  • Version: 1.5 TFSI 35 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
  • Year: 2023
  • Mileage: 26,636 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 148 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 136 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2023 Audi A3 S Line is 26,636 miles. Its asking price of £17,790 is £1,460 below the AskCar estimate of £19,250. To work out the AskCar estimate, we analyse UK dealer adverts for 6,645 Audi A3 cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 132 days, and its asking price is down £1,910. Its advertised mileage matches the government's MOT record. You can find this car at Big Motoring World Enfield in Waltham Cross. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,460 (7%) under the AskCar estimate of £19,250.

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 6,645 priced Audi A3 adverts across different ages and specifications, as of 5 November 2026.

A 2023 Audi A3 with the 1.5 petrol engine is typically advertised at £20,500: the median of the 513 for sale on AskCar, as of 5 November 2026.

Time on sale

The dealer may accept less. This 2023 Audi A3 has been on sale for at least 132 days, and its asking price has been cut by £1,910. About half of 2023 Audi A3 cars are gone from sale within a month of being advertised: 1,037 of the 2,042 first advertised between 8 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 26 June 2026 at £19,700. Its asking price is now £17,790, £1,910 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

  • 26 June 2026: £19,700
  • 9 July 2026: £19,460
  • 16 July 2026: £19,010
  • 23 July 2026: £18,800
  • 30 July 2026: £18,490
  • 3 August 2026: £18,480
  • 8 August 2026: £18,390
  • 11 August 2026: £18,400
  • 18 August 2026: £18,260
  • 21 August 2026: £18,230
  • 26 August 2026: £18,210
  • 6 October 2026: £18,060
  • 20 October 2026: £18,800
  • 24 October 2026: £17,860
  • 30 October 2026: £17,790

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 21 June 2027.

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

There were no advisories at the latest test.

Mileage at that test: 26,221 miles, which matches the advertised 26,636 miles.

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

Similar cars

86 other 2023 Audi A3 S Line 1.5 petrol manual hatchbacks are for sale at UK dealers, from £14,700 to £22,498, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2023 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 27,165 miles. Price: £19,177, £1,387 more than this car. Dealer: CarSupermarket.com Newcastle in Tynemouth. AskCar page: https://askcar.co.uk/car/audi-a3-2023-ca09872e5f46
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 26,027 miles. Price: £17,990, £200 more than this car. Dealer: MinsterMotorGroup.com in Kingston upon Hull. AskCar page: https://askcar.co.uk/car/audi-a3-2023-1ad2f3db287c
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 25,937 miles. Price: £18,798, £1,008 more than this car. Dealer: Carsa Bolton in Bolton. AskCar page: https://askcar.co.uk/car/audi-a3-2023-462b91149422
  • The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, white, under a mile from this car. Mileage: 20,074 miles. Price: £18,840, £1,050 more than this car. Dealer: Big Motoring World Enfield in Enfield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-3c5056b86954

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

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Photos

26 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.