2026 Audi A3 1.5 TFSI S Line
Price: £29,990. Fair price: £1,365 (4%) over the AskCar estimate of £28,625, 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) 5dr Sportback (148 bhp)
- Year: 2026
- Mileage: 4,967 miles
- Fuel: Petrol, mild hybrid
- Body: Hatchback, 5 doors, 5 seats
- Engine: 1.5 litres, 148 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: White
- CO2: 125 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
The advertised mileage for this 2026 Audi A3 S Line is 4,967 miles. Its asking price of £29,990 is £1,365 above the AskCar estimate of £28,625. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 4 days ago. The seller is Agnew Group Belfast Audi, based in Belfast. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £1,365 (4%) over the AskCar estimate of £28,625.
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
AskCar first saw this 2026 Audi A3 advertised 4 days ago. About 3 in 10 of 2026 Audi A3 cars are gone from sale within a month of being advertised: 240 of the 740 first advertised between 7 July 2026 and 29 September 2026.
Price history
AskCar first saw this advert on 29 October 2026 at £29,990. Its asking price has not changed.
Mileage and MOT
MOT: first test not yet due.
Advertised mileage is about 1,700 miles higher than the median mileage of a 2026 Audi A3 on AskCar.
Similar cars
181 other 2026 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £25,249 to £35,000, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2026 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 4,970 miles. Price: £28,395, £1,595 less than this car. Dealer: Stratstone Bolton Audi in Bolton. AskCar page: https://askcar.co.uk/car/audi-a3-2026-bd29101107e4
- 2026 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 4,958 miles. Price: £29,200, £790 less than this car. Dealer: Hawco Group in Aberdeen. AskCar page: https://askcar.co.uk/car/audi-a3-2026-0e0857373fae
- 2026 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 5,000 miles. Price: £26,950, £3,040 less than this car. Dealer: Mon Motors Cardiff Audi in Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2026-c54932a60897
- The nearest: 2026 Audi A3 S Line, 1.5 petrol hatchback, black, 80 miles from this car. Mileage: 2,713 miles. Price: £27,969, £2,021 less than this car. Dealer: Lookers Audi Ayr in Prestwick. AskCar page: https://askcar.co.uk/car/audi-a3-2026-0c9388aeb148
Browse all Audi A3 cars for sale · 2026 Audi A3 price guide
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Photos
36 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.