2018 Audi A3 1.5 TFSI CoD S Line

Price: £12,495. Fair price: £378 (2%) under the AskCar estimate of £12,873, 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) 5dr Sportback (148 bhp)
  • Year: 2018
  • Mileage: 51,000 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 148 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 118 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A3 S Line is advertised with 51,000 miles, approximately 14,000 below the typical mileage for its age. Its asking price of £12,495 is £378 below the AskCar estimate of £12,873. 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 30 days ago. The latest recorded MOT expiry date is 16 October 2026, which has passed. Confirm its status with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Cradley Heath Motor Co, based in Cradley Heath. 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: £378 (2%) under the AskCar estimate of £12,873.

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 30 days.

Price history

AskCar first saw this advert on 3 October 2026 at £12,495. 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: the latest record we hold ran out on 16 October 2026; ask the dealer for the current MOT.

It has had 6 MOTs. The latest, on 16 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 44,732 miles, which matches the advertised 51,000 miles.

Advertised mileage is about 14,000 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, white. Mileage: 50,576 miles. Price: £12,849, £354 more than this car. Dealer: Motorpoint Birtley in Birtley. AskCar page: https://askcar.co.uk/car/audi-a3-2018-e7b8e69e2620
  • 2018 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 48,000 miles. Price: £13,350, £855 more than this car. Dealer: Bob Davies Car Sales in Ebbw Vale. AskCar page: https://askcar.co.uk/car/audi-a3-2018-853ce97dcdcf
  • 2018 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 54,709 miles. Price: £13,995, £1,500 more than this car. Dealer: Yeomans Audi Truro in Truro. AskCar page: https://askcar.co.uk/car/audi-a3-2018-710d99382d2c
  • The nearest: 2018 Audi A3 S Line, 1.5 petrol hatchback, black, 4 miles from this car. Mileage: 102,002 miles. Price: £8,750, £3,745 less than this car. Dealer: Nawaie Motoring Ltd (West Midlands) in Oldbury. AskCar page: https://askcar.co.uk/car/audi-a3-2018-cf68d2f78db1

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

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Photos

20 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.