2026 Audi A3 1.5 TFSI S Line

Price: £28,999. Fair price: £142 (under 1%) over the AskCar estimate of £28,857, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,729 priced Audi A3 adverts on AskCar as of 6 November 2026.

AskCar lists 6,900 used Audi A3 from 2,320 UK dealerships, as of 6 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: 2,914 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: Grey
  • CO2: 122 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 Audi A3 S Line is advertised with 2,914 miles on the clock. The dealer is asking £28,999, which is £142 above the AskCar estimate of £28,857. To work out the AskCar estimate, we analyse UK dealer adverts for 6,729 Audi A3 cars across different ages and specifications. This car was first seen in our listings data 2 days ago. The seller is Lookers Audi Ayr, based in AYR. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £142 (under 1%) over the AskCar estimate of £28,857.

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 6,729 priced Audi A3 adverts across different ages and specifications, as of 6 November 2026.

A 2026 Audi A3 with the 1.5 petrol engine is typically advertised at £29,500: the median of the 752 for sale on AskCar, as of 6 November 2026.

Time on sale

AskCar first saw this 2026 Audi A3 advertised 2 days ago. About 3 in 10 of 2026 Audi A3 cars are gone from sale within a month of being advertised: 269 of the 849 first advertised between 7 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £28,999. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 300 miles lower than the median mileage of a 2026 Audi A3 on AskCar.

Similar cars

57 other 2026 Audi A3 S Line 1.5 petrol automatic saloons are for sale at UK dealers, from £26,495 to £36,000, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2026 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 2,862 miles. Price: £29,500, £501 more than this car. Dealer: Sytner Group Leicester Audi in Leicester. AskCar page: https://askcar.co.uk/car/audi-a3-2026-b816ada13e22
  • 2026 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 2,851 miles. Price: £28,450, £549 less than this car. Dealer: Marshall Motor Group Audi South East London (Beckenham) in London. AskCar page: https://askcar.co.uk/car/audi-a3-2026-7e2e59223c19
  • 2026 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 2,840 miles. Price: £27,450, £1,549 less than this car. Dealer: Group 1 Automotive Cheshire Oaks Audi in Ellesmere Port. AskCar page: https://askcar.co.uk/car/audi-a3-2026-e8c4a286628f
  • The nearest: 2026 Audi A3 S Line, 1.5 petrol saloon, blue, 51 miles from this car. Mileage: 4,020 miles. Price: £29,899, £900 more than this car. Dealer: Eastern Western Motor Group Audi Stirling in Stirling. AskCar page: https://askcar.co.uk/car/audi-a3-2026-424d765f1a0c

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

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Photos

6 photos of this car are on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.