2026 Audi A3 1.5 TFSI S Line
Version: 1.5 TFSI S Line S tronic FWD Euro 6 (s/s) 4dr (148 bhp)
Price: £29,899. Fair price: £780 (2%) over the AskCar estimate of £29,119, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,508 priced Audi A3 adverts on AskCar as of 29 October 2026.
AskCar lists 6,724 used Audi A3 from 2,304 UK dealerships, as of 29 October 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)
- Mileage
- 4,020 miles
- Year
- 2026
- Fuel type
- Petrol
- Body type
- Saloon
- Engine
- 1.5 L
- Gearbox
- Automatic
- Power
- 148 bhp
- Seats
- 5
- CO2
- 122 g/km
- Colour
- Blue
- Doors
- 4
- Driven wheels
- Front Wheel Drive
- Gearbox version
- S tronic
- Engine badge
- TFSI
- Hybrid type
- Mild hybrid
- Emissions standard
- Euro 6
About this car
This 2026 Audi A3 S Line is advertised with 4,020 miles on the clock. Priced at £29,899, it is advertised £780 above the AskCar estimate of £29,119. The AskCar estimate uses UK dealer asking prices, including 6,508 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert today. The seller is Eastern Western Motor Group Audi Stirling, based in Stirling.
Stock data as of 29 October 2026.
Price history
AskCar first saw this advert on 29 October 2026.
| Date observed | Asking price |
|---|---|
| 29 October 2026 | £29,899 |
Price and mileage comparison
Fair price: £780 (2%) over the AskCar estimate of £29,119.
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 6,508 priced Audi A3 adverts across different ages and specifications, as of 29 October 2026.
Advertised mileage is about 800 miles higher than the median mileage of a 2026 Audi A3 on AskCar.
MOT
MOT: first test not yet due.
Other matching cars
240 other 2026 Audi A3 S Line automatic petrol cars are for sale at UK dealers from £8,995 to £36,000, as of 29 October 2026.
The 5 cheapest:
- 2026 Audi A3. Price: £8,995. Mileage: 90,200 miles. Dealer: GT 88 in Manchester. AskCar page: https://askcar.co.uk/car/audi-a3-2026-3c0c34c2f8d5
- 2026 Audi A3. Price: £25,749. Mileage: 10,561 miles. Dealer: Motorpoint Stockton-on-Tees in Stockton-on-Tees. AskCar page: https://askcar.co.uk/car/audi-a3-2026-ba520d476317
- 2026 Audi A3. Price: £25,800. Mileage: 5,011 miles. Dealer: Marshall Motor Group Bexley Audi in Bexley. AskCar page: https://askcar.co.uk/car/audi-a3-2026-e2f7cc9dfd6a
- 2026 Audi A3. Price: £25,980. Mileage: 1,474 miles. Dealer: Swansway Garages Stafford Audi in Stafford. AskCar page: https://askcar.co.uk/car/audi-a3-2026-671a5e23e2e3
- 2026 Audi A3. Price: £25,990. Mileage: 5,785 miles. Dealer: Marshall Motor Group Taunton Audi in Taunton. AskCar page: https://askcar.co.uk/car/audi-a3-2026-24865120f4d7
The 240 matching cars have covered 3 to 90,200 miles, compared with 4,020 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all Audi A3 cars for sale · 2026 Audi A3 price guide
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Photos
43 photos of this car are on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 29 October 2026, AskCar lists 587,923 cars and vans from 12,992 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.