2026 Audi A3 1.5 TFSI S Line

Price: £29,899. Fair price: £853 (2%) over the AskCar estimate of £29,046, 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) 4dr (148 bhp)
  • Year: 2026
  • Mileage: 4,020 miles
  • Fuel: Petrol, mild hybrid
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 1.5 litres, 148 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Blue
  • CO2: 122 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 Audi A3 S Line is advertised with 4,020 miles on the clock. Priced at £29,899, it is advertised £853 above the AskCar estimate of £29,046. The AskCar estimate uses UK dealer asking prices, including 6,542 Audi A3 adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 4 days ago. The seller is Eastern Western Motor Group Audi Stirling, based in Stirling. 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: £853 (2%) over the AskCar estimate of £29,046.

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 4 days ago. 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 29 October 2026 at £29,899. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

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

Similar cars

58 other 2026 Audi A3 S Line 1.5 petrol automatic saloons are for sale at UK dealers, from £26,295 to £36,000, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2026 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 4,164 miles. Price: £29,530, £369 less than this car. Dealer: Vindis Group Huntingdon Audi in Huntingdon. AskCar page: https://askcar.co.uk/car/audi-a3-2026-d25626df0115
  • 2026 Audi A3 S Line, 1.5 petrol saloon, white. Mileage: 3,820 miles. Price: £28,795, £1,104 less than this car. Dealer: Caffyns Audi Worthing in Angmering. AskCar page: https://askcar.co.uk/car/audi-a3-2026-a28fb25e2e80
  • 2026 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 3,811 miles. Price: £29,399, £500 less than this car. Dealer: Eastern Western Motor Group Audi Stirling in Stirling. AskCar page: https://askcar.co.uk/car/audi-a3-2026-6564c04a37d8

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

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Photos

43 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.