2023 Audi A3 1.5 TFSI S Line

Price: £20,899. Fair price: £289 (1%) over the AskCar estimate of £20,610, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,691 priced Audi A3 adverts on AskCar as of 7 November 2026.

AskCar lists 6,887 used Audi A3 from 2,316 UK dealerships, as of 7 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: 10,241 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 148 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 136 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line has covered 10,241 miles, around 16,600 fewer miles than is typical for its age. Priced at £20,899, it is advertised £289 above the AskCar estimate of £20,610. The AskCar estimate uses 6,691 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 4 days ago. Its advertised mileage matches the government's MOT record. The seller is Stratstone Manchester Audi, based in Manchester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £289 (1%) over the AskCar estimate of £20,610.

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 6,691 priced Audi A3 adverts across different ages and specifications, as of 7 November 2026.

A 2023 Audi A3 with the 1.5 petrol engine is typically advertised at £20,500: the median of the 512 for sale on AskCar, as of 7 November 2026.

Time on sale

AskCar first saw this 2023 Audi A3 advertised 4 days ago. About half of 2023 Audi A3 cars are gone from sale within a month of being advertised: 1,073 of the 2,115 first advertised between 8 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 3 November 2026 at £20,899. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 25 October 2027.

It has had one MOT, on 30 September 2026, and passed.

Advisories at the latest test: offside rear tyre has a cut but not deep enough to reach the ply or cords.

Mileage at that test: 9,550 miles, which matches the advertised 10,241 miles.

Advertised mileage is about 16,600 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

92 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 7 November 2026.

The 3 closest to this car in mileage:

  • 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 10,610 miles. Price: £19,820, £1,079 less than this car. Dealer: Big Motoring World Blue Bell Hill in Blue Bell Hill. AskCar page: https://askcar.co.uk/car/audi-a3-2023-d47dec38e158
  • 2023 Audi A3 S Line, 1.5 petrol hatchback. Mileage: 9,787 miles. Price: £21,495, £596 more than this car. Dealer: Heritage Automotive in Swindon. AskCar page: https://askcar.co.uk/car/audi-a3-2023-1dfc161b5d8c
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 9,787 miles. Price: £21,495, £596 more than this car. Dealer: Heritage Audi Audi Swindon in Swindon. AskCar page: https://askcar.co.uk/car/audi-a3-2023-9c57367f19ea
  • The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, grey, under a mile from this car. Mileage: 14,733 miles. Price: £19,490, £1,409 less than this car. Dealer: Williams Select in Old Trafford. AskCar page: https://askcar.co.uk/car/audi-a3-2023-253580688e68

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

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Photos

38 photos of this car are on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.