2023 Audi A3 1.5 TFSI S Line

Price: £20,500. Fair price: £796 (3%) under the AskCar estimate of £21,296, 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 S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
  • Year: 2023
  • Mileage: 22,800 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: Black
  • CO2: 135 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 22,800 miles, approximately 4,100 below the typical mileage for its age. Its asking price of £20,500 is £796 below the AskCar estimate of £21,296. The AskCar estimate uses 6,691 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 1 day. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Richardsons Of Lincoln, based in Lincoln. 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: £796 (3%) under the AskCar estimate of £21,296.

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 1 day 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 6 November 2026 at £20,500. 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 10 July 2027.

It has had one MOT, on 18 June 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: 20,752 miles, which matches the advertised 22,800 miles.

Advertised mileage is about 4,100 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

138 other 2023 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £16,930 to £24,670, as of 7 November 2026.

The 3 closest to this car in mileage:

  • 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 22,642 miles. Price: £19,990, £510 less than this car. Dealer: Carsa Wolverhampton in Wolverhampton. AskCar page: https://askcar.co.uk/car/audi-a3-2023-98d74b455c16
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 23,220 miles. Price: £22,095, £1,595 more than this car. Dealer: Group 1 Automotive Watford Audi in Watford. AskCar page: https://askcar.co.uk/car/audi-a3-2023-e771fa25f38e
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 23,283 miles. Price: £20,980, £480 more than this car. Dealer: Swansway Garages Carlisle Audi in Carlisle. AskCar page: https://askcar.co.uk/car/audi-a3-2023-45753358f4e5
  • The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, yellow, 24 miles from this car. Mileage: 32,011 miles. Price: £19,918, £582 less than this car. Dealer: Walkers Worksop in Worksop. AskCar page: https://askcar.co.uk/car/audi-a3-2023-29f5871f40c0

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

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Photos

45 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.