2018 Audi A3 1.5 TFSI CoD S Line

Price: £15,985. Fair price: £147 (under 1%) over the AskCar estimate of £15,838, 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 CoD S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
  • Year: 2018
  • Mileage: 32,600 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 148 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 114 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A3 S Line has covered 32,600 miles, around 32,400 fewer miles than is typical for its age. The dealer is asking £15,985, which is £147 above the AskCar estimate of £15,838. 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 64 days ago, and its asking price has since fallen by £300. Its advertised mileage matches the government's MOT record. It is for sale at Michael Birks Specialist Cars in Sheffield. 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: £147 (under 1%) over the AskCar estimate of £15,838.

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 64 days.

Price history

AskCar first saw this advert on 30 August 2026 at £16,285. Its asking price is now £15,985, £300 less. The latest price cut was seen on 11 September 2026.

Price changes recorded:

  • 30 August 2026: £16,285
  • 11 September 2026: £15,985

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 9 September 2027.

It has had 7 MOTs. The latest, on 10 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 32,609 miles, which matches the advertised 32,600 miles.

Advertised mileage is about 32,400 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 £15,995, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2018 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 31,603 miles. Price: £15,500, £485 less than this car. Dealer: Stratstone Amersham Audi in Amersham. AskCar page: https://askcar.co.uk/car/audi-a3-2018-91b5052f6576
  • 2018 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 34,079 miles. Price: £15,995, the same price as this car. Dealer: Jones Motor Company in Chester. AskCar page: https://askcar.co.uk/car/audi-a3-2018-3c33716dc7d4
  • 2018 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 34,610 miles. Price: £14,990, £995 less than this car. Dealer: Lookers Vauxhall Ellesmere Port in Ellesmere Port. AskCar page: https://askcar.co.uk/car/audi-a3-2018-0f98d523f5ab
  • The nearest: 2018 Audi A3 S Line, 1.5 petrol hatchback, grey, 31 miles from this car. Mileage: 45,185 miles. Price: £13,560, £2,425 less than this car. Dealer: Hilton Garage in Derby. AskCar page: https://askcar.co.uk/car/audi-a3-2018-77f24c4a08a8

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

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Photos

50 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.