2018 Audi A3 1.0 TFSI S Line

Price: £9,495. Fair price: £3 (under 1%) under the AskCar estimate of £9,498, 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: 1.0 TFSI S Line Manual FWD Euro 6 (s/s) 5dr Sportback (114 bhp)
  • Year: 2018
  • Mileage: 81,000 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.0 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 81,000 miles, around 16,000 more miles than is typical for its age. Its asking price of £9,495 is £3 below the AskCar estimate of £9,498. The AskCar estimate uses 6,542 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 20 days. Its advertised mileage matches the government's MOT record. You can find this car at Car-Isma Cheshire in Knutsford. 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: £3 (under 1%) under the AskCar estimate of £9,498.

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 1.0 petrol engine is typically advertised at £11,000: the median of the 65 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 £9,495. 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 23 January 2027.

It failed its MOT on 22 January 2026 (windscreen washer not working) and passed 1 day later, on 23 January 2026.

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge; nearside front tyre worn close to legal limit/worn on edge; front brake pad(s) wearing thin; and 1 more.

Mileage at that test: 76,468 miles, which matches the advertised 81,000 miles.

Advertised mileage is about 16,000 miles higher than the median mileage of a 2018 Audi A3 on AskCar.

Similar cars

12 other 2018 Audi A3 S Line 1.0 petrol manual hatchbacks are for sale at UK dealers, from £9,995 to £15,100, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2018 Audi A3 S Line, 1.0 petrol hatchback, white. Mileage: 80,000 miles. Price: £10,450, £955 more than this car. Dealer: J.D. Autos (N.I.) in Belfast. AskCar page: https://askcar.co.uk/car/audi-a3-2018-7db545639ebc
  • 2018 Audi A3 S Line, 1.0 petrol hatchback, black. Mileage: 71,343 miles. Price: £9,995, £500 more than this car. Dealer: Sevenoaks Auto Village Sevenoaks AV in Hildenborough. AskCar page: https://askcar.co.uk/car/audi-a3-2018-caf6866f97ed
  • 2018 Audi A3 S Line, 1.0 petrol hatchback, white. Mileage: 55,399 miles. Price: £12,498, £3,003 more than this car. Dealer: Arnold Clark Perth Vauxhall / Fiat / Abarth / Jeep / Alfa Romeo / Leapmotor / Vanstore in Perth. AskCar page: https://askcar.co.uk/car/audi-a3-2018-d90a0118ed51
  • The nearest: 2018 Audi A3 S Line, 1.0 petrol hatchback, grey, 9 miles from this car. Mileage: 12,240 miles. Price: £15,100, £5,605 more than this car. Dealer: A P Hynes And Co in Altrincham. AskCar page: https://askcar.co.uk/car/audi-a3-2018-835fb70ba9e8

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

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Photos

28 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.