2018 Audi A3 1.5 TFSI S Line

Price: £12,499. Fair price: £339 (2%) over the AskCar estimate of £12,160, 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 S Line Manual FWD Euro 6 5dr (147 bhp)
  • Year: 2018
  • Mileage: 60,000 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 147 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Red
  • CO2: 118 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A3 S Line has covered 60,000 miles. Its asking price of £12,499 is £339 above the AskCar estimate of £12,160. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 47 days ago. The last MOT shows 73,472 miles, more than the advert. This is worth checking with the dealer. Its MOT is recorded as valid until 31 July 2027. It is advertised by Lookers Charles Hurst Usedirect Portadown in Armagh City, Banbridge and Craigavon. 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: £339 (2%) over the AskCar estimate of £12,160.

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 47 days.

Price history

AskCar first saw this advert on 16 September 2026 at £11,786. Its asking price is now £12,499, £713 more.

Price changes recorded:

  • 16 September 2026: £11,786
  • 16 October 2026: £12,699
  • 29 October 2026: £12,499

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 31 July 2027.

It failed its MOT on 29 July 2026 (nearside front tyre has a tear, caused by separation or partial failure of its structure) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 73,472 miles. The advert says 60,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 5,000 miles lower 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 £6,990 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, red. Mileage: 62,000 miles. Price: £11,495, £1,004 less than this car. Dealer: Bateman & Lynch Cars Tavistock in Tavistock. AskCar page: https://askcar.co.uk/car/audi-a3-2018-9d061738ecc1
  • 2018 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 62,313 miles. Price: £12,450, the same price as this car. Dealer: Richard Greer Car Sales in Ballyclare. AskCar page: https://askcar.co.uk/car/audi-a3-2018-0d81202abb38
  • 2018 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 55,198 miles. Price: £12,509, the same price as this car. Dealer: Hammond Cars Ipswich in Ipswich. AskCar page: https://askcar.co.uk/car/audi-a3-2018-0d4c513e07f4
  • The nearest: 2018 Audi A3 S Line, 1.5 petrol hatchback, black, 25 miles from this car. Mileage: 66,026 miles. Price: £11,850, £649 less than this car. Dealer: Trust Ford Belfast (Newtownards Road) in Belfast. AskCar page: https://askcar.co.uk/car/audi-a3-2018-fd5ca711f0e2

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

More like this

Photos

30 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.