2026 Audi A3 1.5 TFSI S Line
Price: £28,850. Fair price: £1,013 (3%) under the AskCar estimate of £29,863, 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
- Year: 2026
- Mileage: 731 miles
- Fuel: Petrol
- Body: Hatchback, 5 doors, 5 seats
- Engine: 1.5 litres
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: White
- CO2: 125 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 731 miles on the clock, this 2026 Audi A3 S Line has done roughly 2,500 fewer miles than a typical 2026 Audi A3. The AskCar estimate for this car is £29,863. It is priced at £28,850, which is £1,013 below that estimate. The AskCar estimate uses UK dealer asking prices, including 6,645 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 8 days ago. Its asking price has since fallen by £100. The seller is Mon Motors Cheltenham Audi, based in Cheltenham. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £1,013 (3%) under the AskCar estimate of £29,863.
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
This 2026 Audi A3 has been on sale for at least 8 days.
Price history
AskCar first saw this advert on 28 October 2026 at £28,950. Its asking price is now £28,850, £100 less. The latest price cut was seen on 5 November 2026.
Price changes recorded:
- 28 October 2026: £28,950
- 5 November 2026: £28,850
Mileage and MOT
MOT: first test not yet due.
Advertised mileage is about 2,500 miles lower 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, blue. Mileage: 797 miles. Price: £28,437, £413 less than this car. Dealer: Vindis Group Northampton Audi in Northampton. AskCar page: https://askcar.co.uk/car/audi-a3-2026-be29f420d9f9
- 2026 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 500 miles. Price: £32,500, £3,650 more than this car. Dealer: Sytner Group West London Audi in London. AskCar page: https://askcar.co.uk/car/audi-a3-2026-471a0b95e102
- 2026 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 1,000 miles. Price: £31,500, £2,650 more than this car. Dealer: Sytner Group West London Audi in London. AskCar page: https://askcar.co.uk/car/audi-a3-2026-55127c90f617
- The nearest: 2026 Audi A3 S Line, 1.5 petrol hatchback, blue, 19 miles from this car. Mileage: 6,921 miles. Price: £28,250, £600 less than this car. Dealer: Group 1 Automotive Tetbury Audi in Tetbury. AskCar page: https://askcar.co.uk/car/audi-a3-2026-2f66e93d5478
Browse all Audi A3 cars for sale · 2026 Audi A3 price guide
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Photos
37 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.