2026 Audi A3 1.5 TFSI S Line

Price: £29,755. Fair price: £434 (1%) over the AskCar estimate of £29,321, 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
  • Year: 2026
  • Mileage: 4,389 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 1.5 litres
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Red
  • CO2: 121 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2026 Audi A3 S Line is 4,389 miles. Priced at £29,755, it is advertised £434 above the AskCar estimate of £29,321. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. This car was first seen in our listings data 53 days ago. You can find this car at Sinclair Group in Bridgend. 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: £434 (1%) over the AskCar estimate of £29,321.

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 53 days.

Price history

AskCar first saw this advert on 10 September 2026 at £29,755. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,100 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, £225 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, blue. Mileage: 4,020 miles. Price: £29,899, £144 more than this car. Dealer: Eastern Western Motor Group Audi Stirling in Stirling. AskCar page: https://askcar.co.uk/car/audi-a3-2026-424d765f1a0c
  • 2026 Audi A3 S Line, 1.5 petrol saloon, white. Mileage: 3,820 miles. Price: £28,795, £960 less than this car. Dealer: Caffyns Audi Worthing in Angmering. AskCar page: https://askcar.co.uk/car/audi-a3-2026-a28fb25e2e80
  • The nearest: 2026 Audi A3 S Line, 1.5 petrol saloon, white, under a mile from this car. Mileage: 5,945 miles. Price: £29,423, £332 less than this car. Dealer: Sinclair Group in Bridgend. AskCar page: https://askcar.co.uk/car/audi-a3-2026-6c59377b963b

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

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Photos

40 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.