2025 Audi A3 1.5 TFSI S Line
Price: £19,990. Far below the going rate: £6,946 (25%) under the AskCar estimate of £26,936, 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. Worth asking the dealer why.
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: 2025
- Mileage: 7,000 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
- Colour: Blue
- Emissions standard: Euro 6, ULEZ compliant
About this car
The advertised mileage for this 2025 Audi A3 S Line is 7,000 miles. This car is priced at £19,990, £6,946 below the AskCar estimate of £26,936. Such a large price gap is worth checking with the dealer. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 22 days ago. It is for sale at Lux Performance in Halifax. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Far below the going rate: £6,946 (25%) under the AskCar estimate of £26,936. Worth asking the dealer why.
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 2025 Audi A3 with the 1.5 petrol engine is typically advertised at £26,800: the median of the 472 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2025 Audi A3 has been on sale for at least 22 days.
Price history
AskCar first saw this advert on 11 October 2026 at £19,990. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 1,500 miles lower than the median mileage of a 2025 Audi A3 on AskCar.
Similar cars
38 other 2025 Audi A3 S Line 1.5 petrol automatic saloons are for sale at UK dealers, from £24,407 to £31,461, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2025 Audi A3 S Line, 1.5 petrol saloon. Mileage: 7,076 miles. Price: £26,595, £6,605 more than this car. Dealer: Heritage Automotive in Swindon. AskCar page: https://askcar.co.uk/car/audi-a3-2025-45721649c9b3
- 2025 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 7,076 miles. Price: £26,595, £6,605 more than this car. Dealer: Heritage Audi Audi Swindon in Swindon. AskCar page: https://askcar.co.uk/car/audi-a3-2025-e88cefd2a7f2
- 2025 Audi A3 S Line, 1.5 petrol saloon, white. Mileage: 6,801 miles. Price: £26,495, £6,505 more than this car. Dealer: Heritage Audi Audi Swindon in Swindon. AskCar page: https://askcar.co.uk/car/audi-a3-2025-071f2c761e68
- The nearest: 2025 Audi A3 S Line, 1.5 petrol saloon, blue, 34 miles from this car. Mileage: 5,948 miles. Price: £26,100, £6,110 more than this car. Dealer: JCT600 Doncaster Audi in Doncaster. AskCar page: https://askcar.co.uk/car/audi-a3-2025-ad8cf616c297
Browse all Audi A3 cars for sale · 2025 Audi A3 price guide
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Photos
23 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.