2023 Audi A3 1.0 TFSI S Line

Price: £16,890. Fair price: £6 (under 1%) under the AskCar estimate of £16,896, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,630 priced Audi A3 adverts on AskCar as of 4 November 2026.

AskCar lists 6,774 used Audi A3 from 2,309 UK dealerships, as of 4 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: 55,500 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: Black
  • CO2: 124 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 55,500 miles, approximately 28,800 above the typical mileage for its age. The dealer is asking £16,890, which is £6 below the AskCar estimate of £16,896. To work out the AskCar estimate, we analyse UK dealer adverts for 6,630 Audi A3 cars across different ages and specifications. We first recorded this car for sale today. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Simon Bailes Stockton On Tees in Stockton-on-Tees. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £6 (under 1%) under the AskCar estimate of £16,896.

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 6,630 priced Audi A3 adverts across different ages and specifications, as of 4 November 2026.

A 2023 Audi A3 with the 1.0 petrol engine is typically advertised at £18,200: the median of the 464 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2023 Audi A3 advertised today. About half of 2023 Audi A3 cars are gone from sale within a month of being advertised: 1,015 of the 1,999 first advertised between 8 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £16,890. 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 4 November 2026: valid until 29 October 2027.

It has had 2 MOTs. The latest, on 30 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 55,501 miles, which matches the advertised 55,500 miles.

Advertised mileage is about 28,800 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

183 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 4 November 2026.

The 3 closest to this car in mileage:

  • 2023 Audi A3 S Line, 1.0 petrol hatchback, black. Mileage: 54,451 miles. Price: £16,920, the same price as this car. Dealer: Big Motoring World Leeds in Leeds. AskCar page: https://askcar.co.uk/car/audi-a3-2023-f7f3f4456c62
  • 2023 Audi A3 S Line, 1.0 petrol hatchback, black. Mileage: 57,056 miles. Price: £16,990, £100 more than this car. Dealer: Sonny Adams Motor Company in Welwyn Garden City. AskCar page: https://askcar.co.uk/car/audi-a3-2023-7e613fc03b3c
  • 2023 Audi A3 S Line, 1.0 petrol hatchback, white. Mileage: 57,688 miles. Price: £16,250, £640 less than this car. Dealer: Rox Cars in Aldridge. AskCar page: https://askcar.co.uk/car/audi-a3-2023-fb0cb8328b21
  • The nearest: 2023 Audi A3 S Line, 1.0 petrol hatchback, grey, 4 miles from this car. Mileage: 64,881 miles. Price: £15,690, £1,200 less than this car. Dealer: Evans Halshaw Vauxhall Middlesbrough in Middlesbrough. AskCar page: https://askcar.co.uk/car/audi-a3-2023-c521f21f2a95

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

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As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.