2018 Audi A3 1.5 TFSI S Line
Price: £15,995. Fair price: £595 (3%) over the AskCar estimate of £15,400, 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.
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 5dr (147 bhp)
- Year: 2018
- Mileage: 34,079 miles
- Fuel: Petrol
- Body: Hatchback, 5 doors, 5 seats
- Engine: 1.5 litres, 147 bhp
- Gearbox: Automatic (S tronic)
- Drive: Front-wheel drive
- Colour: White
- CO2: 114 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 34,079 miles, this 2018 Audi A3 S Line has covered about 30,900 fewer miles than other 2018 Audi A3 cars. Its asking price of £15,995 is £595 above the AskCar estimate of £15,400. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. Since we first spotted the advert 158 days ago, the asking price has dropped by £500. It is for sale at Jones Motor Company in Deeside. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £595 (3%) over the AskCar estimate of £15,400.
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 2018 Audi A3 with the 1.5 petrol engine is typically advertised at £12,200: the median of the 142 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2018 Audi A3 has been on sale for at least 158 days.
Price history
AskCar first saw this advert on 28 May 2026 at £16,495. Its asking price is now £15,995, £500 less. The latest price cut was seen on 29 September 2026.
Price changes recorded:
- 29 May 2026: £16,495
- 29 September 2026: £15,995
Mileage and MOT
Advertised mileage is about 30,900 miles lower than the median mileage of a 2018 Audi A3 on AskCar.
Similar cars
21 other 2018 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £9,695 to £15,985, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2018 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 34,610 miles. Price: £14,990, £1,005 less than this car. Dealer: Lookers Vauxhall Ellesmere Port in Ellesmere Port. AskCar page: https://askcar.co.uk/car/audi-a3-2018-0f98d523f5ab
- 2018 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 32,600 miles. Price: £15,985, the same price as this car. Dealer: Michael Birks Specialist Cars in Sheffield. AskCar page: https://askcar.co.uk/car/audi-a3-2018-36264a2ac2d0
- 2018 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 31,603 miles. Price: £15,500, £495 less than this car. Dealer: Stratstone Amersham Audi in Amersham. AskCar page: https://askcar.co.uk/car/audi-a3-2018-91b5052f6576
Browse all Audi A3 cars for sale · 2018 Audi A3 price guide
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Photos
34 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.