2018 Audi A3 1.5 TFSI CoD S Line

Price: £6,990. Good value: £682 (8%) under the AskCar estimate of £7,672, 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 Manual FWD Euro 6 (s/s) 3dr (148 bhp)
  • Year: 2018
  • Mileage: 122,999 miles
  • Fuel: Petrol
  • Body: Hatchback, 3 doors, 5 seats
  • Engine: 1.5 litres, 148 bhp
  • Gearbox: Manual
  • 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 is advertised with 122,999 miles, approximately 58,000 above the typical mileage for its age. The dealer is asking £6,990, which is £682 below the AskCar estimate of £7,672. 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 car for sale 17 days ago. Its advertised mileage matches the government's MOT record. The seller is 2Us 4 Cars, based in Bacup. 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: £682 (8%) under the AskCar estimate of £7,672.

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 17 days.

Price history

AskCar first saw this advert on 16 October 2026 at £6,990. 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 9 February 2027.

It has had 7 MOTs. The latest, on 5 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 116,235 miles, which matches the advertised 122,999 miles.

Advertised mileage is about 58,000 miles higher than the median mileage of a 2018 Audi A3 on AskCar.

Similar cars

26 other 2018 Audi A3 S Line 1.5 petrol manual hatchbacks are for sale at UK dealers, from £7,995 to £15,999, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2018 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 114,000 miles. Price: £7,995, £1,005 more than this car. Dealer: Drive Time Specialist Cars in West Bromwich. AskCar page: https://askcar.co.uk/car/audi-a3-2018-2022e73914b5
  • 2018 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 104,922 miles. Price: £8,990, £2,000 more than this car. Dealer: Auto Zone Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a3-2018-87e6f1c85831
  • 2018 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 102,002 miles. Price: £8,750, £1,760 more than this car. Dealer: Nawaie Motoring Ltd (West Midlands) in Oldbury. AskCar page: https://askcar.co.uk/car/audi-a3-2018-cf68d2f78db1
  • The nearest: 2018 Audi A3 S Line, 1.5 petrol hatchback, black, 46 miles from this car. Mileage: 99,596 miles. Price: £9,322, £2,332 more than this car. Dealer: Jwp Motors in Doncaster. AskCar page: https://askcar.co.uk/car/audi-a3-2018-a96cfee46950

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

More like this

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.