2023 Audi A3 1.5 TFSI S Line

Price: £16,950. Fair price: £1,062 (5%) under the AskCar estimate of £18,012, 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: 39,756 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 39,756 miles, around 13,000 more miles than is typical for its age. The dealer is asking £16,950, which is £1,062 below the AskCar estimate of £18,012. To work out the AskCar estimate, we analyse UK dealer adverts for 6,645 Audi A3 cars across different ages and specifications. We first recorded this advert 42 days ago, and its asking price has since fallen by £4,960. According to the government's MOT record, its advertised mileage is consistent with the latest test. 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: £1,062 (5%) under the AskCar estimate of £18,012.

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

This 2023 Audi A3 has been on sale for at least 42 days.

Price history

AskCar first saw this advert on 24 September 2026 at £21,910. Its asking price is now £16,950, £4,960 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

  • 24 September 2026: £21,910
  • 25 September 2026: £18,390
  • 26 September 2026: £18,380
  • 27 September 2026: £18,390
  • 29 September 2026: £18,400
  • 30 September 2026: £18,360
  • 1 October 2026: £18,370
  • 6 October 2026: £18,350
  • 7 October 2026: £18,360
  • 8 October 2026: £17,960
  • 9 October 2026: £17,830
  • 10 October 2026: £17,820
  • 13 October 2026: £17,780
  • 14 October 2026: £18,140
  • 19 October 2026: £17,700
  • 24 October 2026: £17,530
  • 28 October 2026: £17,450
  • 3 November 2026: £16,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 20 September 2027.

It has had one MOT, on 15 September 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 39,486 miles, which matches the advertised 39,756 miles.

Advertised mileage is about 13,000 miles higher 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: 39,624 miles. Price: £19,499, £2,549 more than this car. Dealer: Hawco Group in Aberdeen. AskCar page: https://askcar.co.uk/car/audi-a3-2023-48943585eb2c
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 40,330 miles. Price: £18,998, £2,048 more than this car. Dealer: Arnold Clark Kirkcaldy Kia in Kirkcaldy. AskCar page: https://askcar.co.uk/car/audi-a3-2023-6739839a9b26
  • 2023 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 41,500 miles. Price: £18,750, £1,800 more than this car. Dealer: Drift Bridge Audi Approved - Epsom in Epsom. AskCar page: https://askcar.co.uk/car/audi-a3-2023-05aac58992e5
  • 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, £1,890 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

25 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.