2023 Audi A3 1.0 TFSI S Line

Price: £20,299. Fair price: £163 (under 1%) over the AskCar estimate of £20,136, 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: 1.0 TFSI 30 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (108 bhp)
  • Year: 2023
  • Mileage: 21,003 miles
  • Fuel: Petrol, mild hybrid
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.0 litres, 108 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 124 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 21,003 miles, approximately 6,000 below the typical mileage for its age. Priced at £20,299, it is advertised £163 above the AskCar estimate of £20,136. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 2 days ago. Its advertised mileage matches the government's MOT record. The seller is Motorpoint Sheffield, based in Sheffield. 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: £163 (under 1%) over the AskCar estimate of £20,136.

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 1.0 petrol engine is typically advertised at £18,200: the median of the 453 for sale on AskCar, as of 2 November 2026.

Time on sale

AskCar first saw this 2023 Audi A3 advertised 2 days ago. 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 31 October 2026 at £20,299. 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 2 November 2026: valid until 4 October 2027.

It has had one MOT, on 5 October 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 20,639 miles, which matches the advertised 21,003 miles.

Advertised mileage is about 6,000 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

174 other 2023 Audi A3 S Line 1.0 petrol automatic hatchbacks are for sale at UK dealers, from £14,990 to £23,180, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2023 Audi A3 S Line, 1.0 petrol hatchback, black. Mileage: 20,955 miles. Price: £20,998, £699 more than this car. Dealer: Arnold Clark Huddersfield Motorstore in Huddersfield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-280d0dd5af8a
  • 2023 Audi A3 S Line, 1.0 petrol hatchback, grey. Mileage: 20,895 miles. Price: £20,498, £199 more than this car. Dealer: Arnold Clark Linwood Motorstore / BYD in Linwood. AskCar page: https://askcar.co.uk/car/audi-a3-2023-bac18471fcb8
  • 2023 Audi A3 S Line, 1.0 petrol hatchback, grey. Mileage: 20,870 miles. Price: £19,590, £709 less than this car. Dealer: Big Motoring World Sheffield in Sheffield. AskCar page: https://askcar.co.uk/car/audi-a3-2023-9e821831898e

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

More like this

Photos

40 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.