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: 72,000 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 116 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 72,000 miles, this 2018 Audi A3 S Line has covered about 7,000 more miles than other 2018 Audi A3 cars. The AskCar estimate for this car is £13,042. It is priced at £11,995, which is £1,047 below that estimate. The AskCar estimate uses UK dealer asking prices, including 6,542 Audi A3 adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data 7 days ago. The government's MOT record matches its advertised mileage. You can find this car at Isaac Motors in Garngoch Industrial Estate. 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

Good value: £1,047 (8%) under the AskCar estimate of £13,042.

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 7 days.

Price history

AskCar first saw this advert on 26 October 2026 at £11,995. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 14 July 2027.

It has had 7 MOTs. The latest, on 13 July 2026, passed.

Advisories at the latest test: nearside front inner tyre worn close to legal limit/worn on edge 225/40/18; offside front inner tyre worn close to legal limit/worn on edge.

Mileage at that test: 71,487 miles, which matches the advertised 72,000 miles.

Advertised mileage is about 7,000 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 £9,995 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, white. Mileage: 73,096 miles. Price: £12,980, £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, silver. Mileage: 82,563 miles. Price: £12,450, £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, silver. Mileage: 61,178 miles. Price: £13,899, £1,904 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

• The nearest: 2018 Audi A3 S Line, 2.0 diesel hatchback, black, 163 miles from this car. Mileage: 43,131 miles. Price: £14,850, £2,855 more than this car. Dealer: Parkway Motor Group in Edwinstowe. AskCar page: https://askcar.co.uk/car/audi-a3-2018-04de30e681ae