2026 Audi A3 1.5 TFSI S Line

Price: £29,795. Fair price: £704 (2%) over the AskCar estimate of £29,091, 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: 3,500 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: Green
  • CO2: 122 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 Audi A3 S Line has covered 3,500 miles. Priced at £29,795, it is advertised £704 above the AskCar estimate of £29,091. The AskCar estimate uses UK dealer asking prices, including 6,542 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 24 days ago, and its asking price has since fallen by £500. The seller is Group 1 Automotive Southend Audi, based in Southend. 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: £704 (2%) over the AskCar estimate of £29,091.

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 24 days.

Price history

AskCar first saw this advert on 9 October 2026 at £30,295. Its asking price is now £29,795, £500 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

  • 9 October 2026: £30,295
  • 14 October 2026: £30,350
  • 24 October 2026: £29,795

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 300 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, black. Mileage: 3,451 miles. Price: £31,295, £1,500 more than this car. Dealer: Caffyns Volkswagen Brighton in Brighton and Hove. AskCar page: https://askcar.co.uk/car/audi-a3-2026-e6953611fcde
  • 2026 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 3,439 miles. Price: £27,537, £2,258 less than this car. Dealer: Marshall Motor Group Oxford Audi in Oxford. AskCar page: https://askcar.co.uk/car/audi-a3-2026-1595620eec64
  • 2026 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 3,585 miles. Price: £28,999, £796 less than this car. Dealer: Eastern Western Motor Group Audi Stirling in Stirling. AskCar page: https://askcar.co.uk/car/audi-a3-2026-f83799c302cd
  • The nearest: 2026 Audi A3 S Line, 1.5 petrol saloon, blue, 12 miles from this car. Mileage: 5,953 miles. Price: £27,322, £2,473 less than this car. Dealer: Group 1 Automotive Chelmsford Audi in Chelmsford. AskCar page: https://askcar.co.uk/car/audi-a3-2026-2683c6686666

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

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Photos

55 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.