2026 Audi A3 1.5 TFSI S Line
Price: £29,423. Fair price: £404 (1%) over the AskCar estimate of £29,020, 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: 5,945 miles
- Fuel: Petrol
- Body: Saloon, 4 doors, 5 seats
- Engine: 1.5 litres
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: White
- CO2: 121 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2026 Audi A3 S Line is advertised with 5,945 miles, approximately 2,700 above the typical mileage for its age. Its asking price of £29,423 is £404 above the AskCar estimate of £29,020. The AskCar estimate uses 6,542 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 23 days ago. The seller is Sinclair Group, based in Bridgend. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £404 (1%) over the AskCar estimate of £29,020.
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 23 days.
Price history
AskCar first saw this advert on 10 October 2026 at £29,423. Its asking price has not changed.
Mileage and MOT
MOT: first test not yet due.
Advertised mileage is about 2,700 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: 5,953 miles. Price: £27,322, £2,101 less than this car. Dealer: Group 1 Automotive Chelmsford Audi in Chelmsford. AskCar page: https://askcar.co.uk/car/audi-a3-2026-2683c6686666
- 2026 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 6,000 miles. Price: £27,999, £1,424 less than this car. Dealer: JCT600 Volkswagen Grimsby in Grimsby. AskCar page: https://askcar.co.uk/car/audi-a3-2026-205e10df1929
- 2026 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 6,000 miles. Price: £30,469, £1,046 more than this car. Dealer: Vindis Group Peterborough Audi in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a3-2026-ed74122e284d
- The nearest: 2026 Audi A3 S Line, 1.5 petrol saloon, red, under a mile from this car. Mileage: 4,389 miles. Price: £29,755, £332 more than this car. Dealer: Sinclair Group in Bridgend. AskCar page: https://askcar.co.uk/car/audi-a3-2026-9f0f673340e8
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.