2025 Audi A3 1.5 TFSI S Line
Price: £11,750. Far below the going rate: £9,577 (44%) under the AskCar estimate of £21,327, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,629 priced Audi A3 adverts on AskCar as of 10 November 2026. Worth asking the dealer why.
AskCar lists 6,789 used Audi A3 from 2,285 UK dealerships, as of 10 November 2026.
Overview
- Make: Audi
- Model: A3
- Trim: S Line
- Version: 1.5 TFSI S Line Manual FWD Euro 6 (s/s) 4dr (148 bhp)
- Year: 2025
- Mileage: 38,800 miles
- Fuel: Petrol
- Body: Saloon, 4 doors, 5 seats
- Engine: 1.5 litres, 148 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Grey
- CO2: 130 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2025 Audi A3 S Line has covered 38,800 miles, around 29,700 more miles than is typical for its age. The AskCar estimate for this car is £21,327, but it is priced at £11,750, a difference of £9,577. Ask the dealer to confirm the price and vehicle details. The AskCar estimate draws on 6,629 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data today. The seller is Listers Honda Northampton, based in West Northamptonshire. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 10 November 2026.
Listers Honda Northampton is rated 4.7 out of 5 on Google.
Price
Far below the going rate: £9,577 (44%) under the AskCar estimate of £21,327. 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 6,629 priced Audi A3 adverts across different ages and specifications, as of 10 November 2026.
A 2025 Audi A3 with the 1.5 petrol engine is typically advertised at £26,500: the median of the 456 for sale on AskCar, as of 10 November 2026.
Time on sale
AskCar first saw this 2025 Audi A3 advertised today. About 4 in 10 of 2025 Audi A3 cars are gone from sale within a month of being advertised: 294 of the 700 first advertised between 11 July 2026 and 7 October 2026.
Price history
AskCar first saw this advert on 10 November 2026 at £11,750. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 29,700 miles higher than the median mileage of a 2025 Audi A3 on AskCar.
Similar cars
4 other 2025 Audi A3 S Line 1.5 petrol manual saloons are for sale at UK dealers, from £22,499 to £25,299, as of 10 November 2026.
The 3 closest to this car in mileage:
- 2025 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 24,485 miles. Price: £22,499, £10,749 more than this car. Dealer: Available Car Supermarket - Sutton-In-Ashfield in Sutton in Ashfield. AskCar page: https://askcar.co.uk/car/audi-a3-2025-a7a0c22c5169
- 2025 Audi A3 S Line, 1.5 petrol saloon, green. Mileage: 10,479 miles. Price: £25,299, £13,549 more than this car. Dealer: Lookers Audi Ayr in Prestwick. AskCar page: https://askcar.co.uk/car/audi-a3-2025-330a747ce730
- 2025 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 8,651 miles. Price: £24,890, £13,140 more than this car. Dealer: Stratstone Halesowen Audi in Halesowen. AskCar page: https://askcar.co.uk/car/audi-a3-2025-2cc0b1e93278
Browse all Audi A3 cars for sale · 2025 Audi A3 price guide
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Photos
1 photo of this car is on its AskCar page.
As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.