2018 Audi A3 2.0 TDI S Line

Price: £13,899. Fair price: £438 (3%) over the AskCar estimate of £13,461, 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: 2.0 TDI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
  • Year: 2018
  • Mileage: 61,178 miles
  • Fuel: Diesel
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 2.0 litres, 148 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Silver
  • CO2: 117 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A3 S Line is advertised with 61,178 miles, approximately 3,800 below the typical mileage for its age. The dealer is asking £13,899, which is £438 above the AskCar estimate of £13,461. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We first saw this car advertised 57 days ago. Its asking price has since fallen by £300. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Eastern Western Motor Group Car Deal Warehouse Dundee, based in Dundee. 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: £438 (3%) over the AskCar estimate of £13,461.

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 57 days.

Price history

AskCar first saw this advert on 6 September 2026 at £14,199. Its asking price is now £13,899, £300 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

  • 6 September 2026: £14,199
  • 28 October 2026: £13,899

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 17 June 2027.

It has had 8 MOTs. The latest, on 11 June 2026, passed.

Advisories at the latest test: rear brake disc worn, pitted or scored, but not seriously weakened; tmps on.

Mileage at that test: 60,272 miles, which matches the advertised 61,178 miles.

Advertised mileage is about 3,800 miles lower 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, blue. Mileage: 72,000 miles. Price: £11,995, £1,904 less than this car. Dealer: Isaac Motors in Swansea. AskCar page: https://askcar.co.uk/car/audi-a3-2018-aeff9a27baac
  • 2018 Audi A3 S Line, 2.0 diesel hatchback, white. Mileage: 73,096 miles. Price: £12,980, £919 less 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, black. Mileage: 43,131 miles. Price: £14,850, £951 more than this car. Dealer: Parkway Motor Group in Edwinstowe. AskCar page: https://askcar.co.uk/car/audi-a3-2018-04de30e681ae
  • The nearest: 2018 Audi A3 S Line, 2.0 diesel hatchback, white, 172 miles from this car. Mileage: 110,764 miles. Price: £9,995, £3,904 less than this car. Dealer: Parkview Autos NI in Antrim. AskCar page: https://askcar.co.uk/car/audi-a3-2018-ad505f2d8bef

Browse all Audi A3 cars for sale · 2018 Audi A3 price guide

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Photos

32 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.