2018 Audi A3 1.5 TFSI CoD S Line

Price: £11,989. Above the going rate: £1,001 (9%) over the AskCar estimate of £10,988, 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: 71,004 miles
  • Fuel: Petrol
  • Body: Hatchback, 3 doors, 5 seats
  • Engine: 1.5 litres, 148 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 116 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A3 S Line is advertised with 71,004 miles, approximately 6,000 above the typical mileage for its age. The dealer is asking £11,989, which is £1,001 above the AskCar estimate of £10,988. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. The asking price is now £1,000 lower than when we first recorded the advert 39 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is FunkyDubz, based in Bournemouth, Christchurch and Poole. 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

Above the going rate: £1,001 (9%) over the AskCar estimate of £10,988.

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 39 days.

Price history

AskCar first saw this advert on 24 September 2026 at £12,989. Its asking price is now £11,989, £1,000 less. The latest price cut was seen on 12 October 2026.

Price changes recorded:

  • 24 September 2026: £12,989
  • 5 October 2026: £11,989
  • 11 October 2026: £12,989
  • 12 October 2026: £11,989

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 16 June 2027.

It failed its MOT on 17 June 2026 (nearside rear tyre tread depth below requirements of 1.6mm) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 70,974 miles, which matches the advertised 71,004 miles.

Advertised mileage is about 6,000 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 £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, black. Mileage: 75,000 miles. Price: £10,950, £1,039 less than this car. Dealer: Windmill Autos in Sandy. AskCar page: https://askcar.co.uk/car/audi-a3-2018-e1a4e26f7e5a
  • 2018 Audi A3 S Line, 1.5 petrol hatchback, white. Mileage: 75,355 miles. Price: £10,995, £994 less than this car. Dealer: Auto Station in Elgin. AskCar page: https://askcar.co.uk/car/audi-a3-2018-2b7504a1f301
  • 2018 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 66,026 miles. Price: £11,850, £139 less than this car. Dealer: Trust Ford Belfast (Newtownards Road) in Belfast. AskCar page: https://askcar.co.uk/car/audi-a3-2018-fd5ca711f0e2
  • The nearest: 2018 Audi A3 S Line, 1.5 petrol hatchback, black, 73 miles from this car. Mileage: 95,000 miles. Price: £8,594, £3,395 less than this car. Dealer: Prime London Motors in Staines. AskCar page: https://askcar.co.uk/car/audi-a3-2018-22a20b674e34

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

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Photos

7 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.