2026 Audi A3 1.5 TFSI S Line
Price: £29,990. Fair price: £1,298 (4%) over the AskCar estimate of £28,692, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,645 priced Audi A3 adverts on AskCar as of 5 November 2026.
AskCar lists 6,826 used Audi A3 from 2,317 UK dealerships, as of 5 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: 3,311 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: Blue
- CO2: 125 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2026 Audi A3 S Line has covered 3,311 miles. Its asking price of £29,990 is £1,298 above the AskCar estimate of £28,692. The AskCar estimate uses 6,645 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records today. 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 5 November 2026.
Price
Fair price: £1,298 (4%) over the AskCar estimate of £28,692.
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 6,645 priced Audi A3 adverts across different ages and specifications, as of 5 November 2026.
A 2026 Audi A3 with the 1.5 petrol engine is typically advertised at £29,500: the median of the 736 for sale on AskCar, as of 5 November 2026.
Time on sale
AskCar first saw this 2026 Audi A3 advertised today. About 3 in 10 of 2026 Audi A3 cars are gone from sale within a month of being advertised: 266 of the 802 first advertised between 7 July 2026 and 2 October 2026.
Price history
AskCar first saw this advert on 5 November 2026 at £29,990. Its asking price has not changed.
Mileage and MOT
MOT: first test not yet due.
Advertised mileage is about 100 miles higher than the median mileage of a 2026 Audi A3 on AskCar.
Similar cars
193 other 2026 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £25,249 to £35,750, as of 5 November 2026.
The 3 closest to this car in mileage:
- 2026 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 3,296 miles. Price: £29,018, £972 less than this car. Dealer: Marriott Motor Group Ipswich Audi in Ipswich. AskCar page: https://askcar.co.uk/car/audi-a3-2026-f686a5cb6705
- 2026 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 3,289 miles. Price: £26,700, £3,290 less than this car. Dealer: Marshall Motor Group Bexley Audi in Bexley. AskCar page: https://askcar.co.uk/car/audi-a3-2026-2e5fd56b2ba8
- 2026 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 3,250 miles. Price: £26,850, £3,140 less than this car. Dealer: Mon Motors Cardiff Audi in Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2026-db99fecb04c2
- The nearest: 2026 Audi A3 S Line, 1.5 petrol hatchback, white, under a mile from this car. Mileage: 4,967 miles. Price: £29,990, the same price as this car. Dealer: Agnew Group Belfast Audi in Belfast. AskCar page: https://askcar.co.uk/car/audi-a3-2026-d80dee3bdd92
Browse all Audi A3 cars for sale · 2026 Audi A3 price guide
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Photos
35 photos of this car are on its AskCar page.
As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.