2026 Audi A3 1.5 TFSI S Line

Price: £28,700. Fair price: £671 (2%) under the AskCar estimate of £29,371, 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 (148 bhp)
  • Year: 2026
  • Mileage: 1,900 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: 125 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2026 Audi A3 S Line is 1,900 miles. Its asking price of £28,700 is £671 below the AskCar estimate of £29,371. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. It first appeared in our advert records today. The seller is Stratstone Amersham Audi, based in Amersham. 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: £671 (2%) under the AskCar estimate of £29,371.

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

AskCar first saw this 2026 Audi A3 advertised today. About 3 in 10 of 2026 Audi A3 cars are gone from sale within a month of being advertised: 240 of the 740 first advertised between 7 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 2 November 2026 at £28,700. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,400 miles lower 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: 1,893 miles. Price: £29,500, £800 more than this car. Dealer: Sytner Group Leeds Audi in Leeds. AskCar page: https://askcar.co.uk/car/audi-a3-2026-116207a7de49
  • 2026 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 1,928 miles. Price: £27,295, £1,405 less than this car. Dealer: Group 1 Automotive Chelmsford Audi in Chelmsford. AskCar page: https://askcar.co.uk/car/audi-a3-2026-31d69bf25605
  • 2026 Audi A3 S Line, 1.5 petrol hatchback, green. Mileage: 1,863 miles. Price: £28,790, £90 more than this car. Dealer: Stratstone Liverpool Audi in Liverpool. AskCar page: https://askcar.co.uk/car/audi-a3-2026-530671576b5b
  • The nearest: 2026 Audi A3 S Line, 1.5 petrol hatchback, grey, under a mile from this car. Mileage: 6,632 miles. Price: £27,999, £701 less than this car. Dealer: Stratstone Amersham Audi in Amersham. AskCar page: https://askcar.co.uk/car/audi-a3-2026-289525cddaea

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

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Photos

1 photo of this car is 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.