2018 Audi A3 1.6 TDI S Line

Price: £9,999. Fair price: £402 (4%) over the AskCar estimate of £9,597, 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: 1.6 TDI S Line Manual FWD Euro 6 (s/s) 4dr (114 bhp)
  • Year: 2018
  • Mileage: 90,664 miles
  • Fuel: Diesel
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 1.6 litres, 114 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 108 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A3 S Line has covered 90,664 miles, around 25,700 more miles than is typical for its age. Priced at £9,999, it is advertised £402 above the AskCar estimate of £9,597. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We first recorded this advert 35 days ago, and its asking price has since fallen by £600. Its advertised mileage matches the government's MOT record. The seller is cinch Corby, based in North Northamptonshire. 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: £402 (4%) over the AskCar estimate of £9,597.

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 1.6 diesel engine is typically advertised at £10,100: the median of the 36 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 Audi A3 has been on sale for at least 35 days.

Price history

AskCar first saw this advert on 28 September 2026 at £10,599. Its asking price is now £9,999, £600 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

  • 28 September 2026: £10,599
  • 22 October 2026: £10,399
  • 27 October 2026: £9,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 21 September 2027.

It has had 7 MOTs. The latest, on 22 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 90,661 miles, which matches the advertised 90,664 miles.

Advertised mileage is about 25,700 miles higher than the median mileage of a 2018 Audi A3 on AskCar.

Similar cars

1 other 2018 Audi A3 S Line 1.6 diesel manual saloon is for sale at UK dealers, as of 2 November 2026.

The closest to this car in mileage:

  • 2018 Audi A3 S Line, 1.6 diesel saloon, red. Mileage: 92,500 miles. Price: £10,990, £991 more than this car. Dealer: Black Label Vehicle Sales in Driffield. AskCar page: https://askcar.co.uk/car/audi-a3-2018-c46f0868b886

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

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Photos

27 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.