2026 Audi A3 1.5 TFSI S Line
Price: £29,950. Fair price: £1,044 (3%) over the AskCar estimate of £28,906, 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: 5,215 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
- CO2: 122 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2026 Audi A3 S Line is advertised with 5,215 miles on the clock. The dealer is asking £29,950, which is £1,044 above the AskCar estimate of £28,906. 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 35 days ago. It is for sale at Heritage Automotive Salisbury in Wiltshire. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £1,044 (3%) over the AskCar estimate of £28,906.
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 35 days.
Price history
AskCar first saw this advert on 28 September 2026 at £29,950. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 2,000 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: 5,215 miles. Price: £29,950, the same price as this car. Dealer: Heritage Audi in Salisbury. AskCar page: https://askcar.co.uk/car/audi-a3-2026-cb3cdd42f0b7
- 2026 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 5,124 miles. Price: £28,599, £1,351 less than this car. Dealer: Stratstone Manchester Audi in Manchester. AskCar page: https://askcar.co.uk/car/audi-a3-2026-4f9a68613910
- 2026 Audi A3 S Line, 1.5 petrol saloon, blue. Mileage: 5,375 miles. Price: £27,950, £2,000 less than this car. Dealer: Mon Motors Cardiff Audi in Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2026-9cb6e99c2645
- The nearest: 2026 Audi A3 S Line, 1.5 petrol saloon, under a mile from this car. Mileage: 1,498 miles. Price: £33,950, £4,000 more than this car. Dealer: Heritage Automotive Salisbury in Salisbury. AskCar page: https://askcar.co.uk/car/audi-a3-2026-424f72085f6d
Browse all Audi A3 cars for sale · 2026 Audi A3 price guide
More like this
- Used Audi A3 S Line prices
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- Used Audi A3 for sale near Salisbury
Photos
35 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.