2026 Audi A3 1.5 TFSI S Line

Price: £26,950. Fair price: £1,414 (4%) under the AskCar estimate of £28,364, 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: 1.5 TFSI S Line S tronic FWD Euro 6 (s/s) 5dr Sportback
  • Year: 2026
  • Mileage: 5,000 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Blue
  • CO2: 125 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 Audi A3 S Line has covered 5,000 miles. Priced at £26,950, it is advertised £1,414 below the AskCar estimate of £28,364. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. Since we first spotted the advert 121 days ago, the asking price has dropped by £2,900. The seller is Mon Motors Cardiff Audi, based in Cardiff. 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: £1,414 (4%) under the AskCar estimate of £28,364.

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 2026 Audi A3 with the 1.5 petrol engine is typically advertised at £29,700: the median of the 714 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2026 Audi A3 has been on sale for at least 121 days.

Price history

AskCar first saw this advert on 4 July 2026 at £29,850. Its asking price is now £26,950, £2,900 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

  • 5 July 2026: £29,850
  • 14 July 2026: £29,350
  • 22 July 2026: £28,650
  • 30 July 2026: £28,500
  • 7 August 2026: £28,250
  • 10 August 2026: £27,950
  • 21 August 2026: £27,850
  • 2 September 2026: £27,750
  • 9 September 2026: £27,850
  • 18 September 2026: £27,800
  • 26 September 2026: £27,500
  • 6 October 2026: £27,350
  • 13 October 2026: £27,250
  • 28 October 2026: £26,950

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,800 miles higher than the median mileage of a 2026 Audi A3 on AskCar.

Similar cars

181 other 2026 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £25,249 to £35,000, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2026 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 5,011 miles. Price: £25,899, £1,051 less than this car. Dealer: cinch in Bexley. AskCar page: https://askcar.co.uk/car/audi-a3-2026-ee73c93926f9
  • 2026 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 5,030 miles. Price: £27,850, £900 more than this car. Dealer: Group 1 Automotive Hatfield Audi in Hatfield. AskCar page: https://askcar.co.uk/car/audi-a3-2026-793392ed930f
  • 2026 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 4,970 miles. Price: £28,395, £1,445 more than this car. Dealer: Stratstone Bolton Audi in Bolton. AskCar page: https://askcar.co.uk/car/audi-a3-2026-bd29101107e4
  • The nearest: 2026 Audi A3 S Line, 1.5 petrol hatchback, white, under a mile from this car. Mileage: 4,247 miles. Price: £27,250, £300 more than this car. Dealer: Mon Motors Cardiff Audi in Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2026-25b28e3bb1e7

Browse all Audi A3 cars for sale · 2026 Audi A3 price guide

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Photos

38 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.