2018 Audi A3 2.0 TDI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 2.0 TDI S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2018
• Mileage: 110,764 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 116 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A3 S Line has covered 110,764 miles, around 45,800 more miles than is typical for its age. Its asking price of £9,995 is £50 above the AskCar estimate of £9,945. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. The asking price is now £300 lower than when we first recorded the advert 72 days ago. It is advertised by Parkview Autos NI in Templepatrick. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £50 (under 1%) over the AskCar estimate of £9,945.

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 2.0 diesel engine is typically advertised at £13,500: the median of the 68 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 Audi A3 has been on sale for at least 72 days.

Price history

AskCar first saw this advert on 22 August 2026 at £10,295. Its asking price is now £9,995, £300 less. The latest price cut was seen on 16 October 2026.

Price changes recorded:

• 22 August 2026: £10,295
• 16 October 2026: £9,995

Mileage and MOT

Advertised mileage is about 45,800 miles higher than the median mileage of a 2018 Audi A3 on AskCar.

Similar cars

6 other 2018 Audi A3 S Line 2.0 diesel automatic hatchbacks are for sale at UK dealers, from £11,995 to £16,495, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A3 S Line, 2.0 diesel hatchback, silver. Mileage: 82,563 miles. Price: £12,450, £2,455 more than this car. Dealer: Parkway Motor Group in Edwinstowe. AskCar page: https://askcar.co.uk/car/audi-a3-2018-3b7469ecee5f
• 2018 Audi A3 S Line, 2.0 diesel hatchback, white. Mileage: 73,096 miles. Price: £12,980, £2,985 more than this car. Dealer: Fab Cars in Southend-on-Sea. AskCar page: https://askcar.co.uk/car/audi-a3-2018-af2e207a18c0
• 2018 Audi A3 S Line, 2.0 diesel hatchback, blue. Mileage: 72,000 miles. Price: £11,995, £2,000 more than this car. Dealer: Isaac Motors in Swansea. AskCar page: https://askcar.co.uk/car/audi-a3-2018-aeff9a27baac

• The nearest: 2018 Audi A3 S Line, 2.0 diesel hatchback, silver, 172 miles from this car. Mileage: 61,178 miles. Price: £13,899, £3,904 more than this car. Dealer: Eastern Western Motor Group Car Deal Warehouse Dundee in Dundee. AskCar page: https://askcar.co.uk/car/audi-a3-2018-303e5adec620