2018 Audi A3 2.0 TFSI S Line

Price: £12,980. Fair price: £896 (6%) under the AskCar estimate of £13,876, 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 TFSI S Line Manual FWD Euro 6 (s/s) 5dr Sportback (187 bhp)
  • Year: 2018
  • Mileage: 54,416 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 130 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A3 S Line has covered 54,416 miles, around 10,600 fewer miles than is typical for its age. Its asking price of £12,980 is £896 below the AskCar estimate of £13,876. The AskCar estimate draws on 6,542 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 20 days ago. Its asking price has since fallen by £1,010. We checked its advertised mileage against the government's MOT record, and they match. The seller is Evans Halshaw Vauxhall Newport, based in Newport. 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: £896 (6%) under the AskCar estimate of £13,876.

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 petrol 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 20 days.

Price history

AskCar first saw this advert on 13 October 2026 at £13,990. Its asking price is now £12,980, £1,010 less. The latest price cut was seen on 20 October 2026.

Price changes recorded:

  • 13 October 2026: £13,990
  • 14 October 2026: £13,280
  • 20 October 2026: £12,980

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 13 March 2027.

It has had 6 MOTs. The latest, on 25 February 2026, passed.

Advisories at the latest test: front brake pad(s) wearing thin; rear brake pad(s) wearing thin; nearside front tyre worn close to legal limit/worn on edge; and 3 more.

Mileage at that test: 52,237 miles, which matches the advertised 54,416 miles.

Advertised mileage is about 10,600 miles lower than the median mileage of a 2018 Audi A3 on AskCar.

Similar cars

6 other 2018 Audi A3 S Line 2.0 petrol manual hatchbacks are for sale at UK dealers, from £10,995 to £15,980, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2018 Audi A3 S Line, 2.0 petrol hatchback, grey. Mileage: 48,592 miles. Price: £14,297, £1,317 more than this car. Dealer: Arthurs Motor Group - Oswestry in Oswestry. AskCar page: https://askcar.co.uk/car/audi-a3-2018-521eb142d86d
  • 2018 Audi A3 S Line, 2.0 petrol hatchback, black. Mileage: 64,632 miles. Price: £12,973, the same price as this car. Dealer: JCT600 Doncaster Audi in Doncaster. AskCar page: https://askcar.co.uk/car/audi-a3-2018-36b60782d13c
  • 2018 Audi A3 S Line, 2.0 petrol hatchback, black. Mileage: 65,045 miles. Price: £12,700, £280 less than this car. Dealer: Surrey Specialist Cars in Guildford. AskCar page: https://askcar.co.uk/car/audi-a3-2018-4b1e67220739
  • The nearest: 2018 Audi A3 S Line, 2.0 petrol hatchback, white, 78 miles from this car. Mileage: 33,970 miles. Price: £15,980, £3,000 more than this car. Dealer: Stratstone Wolverhampton Audi in Wolverhampton. AskCar page: https://askcar.co.uk/car/audi-a3-2018-5eb954137cbf

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

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Photos

6 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.