2018 Audi A3 2.0 TDI S Line

Price: £14,999. Fair price: £865 (5%) under the AskCar estimate of £15,864, 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 TDI S Line Manual FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
  • Year: 2018
  • Mileage: 29,300 miles
  • Fuel: Diesel
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 2.0 litres, 148 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 109 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 29,300 miles on the clock, this 2018 Audi A3 S Line has done roughly 35,700 fewer miles than a typical 2018 Audi A3. Its asking price of £14,999 is £865 below the AskCar estimate of £15,864. The AskCar estimate uses UK dealer asking prices, including 6,542 Audi A3 adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data 15 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Daniels Vehicle Sales in Malvern. 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: £865 (5%) under the AskCar estimate of £15,864.

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 diesel 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 15 days.

Price history

AskCar first saw this advert on 18 October 2026 at £14,999. 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 30 March 2027.

It has had 6 MOTs. The latest, on 17 March 2026, passed.

Advisories at the latest test: nearside side repeater lens defective which has no effect on emitted light; offside side repeater lens defective which has no effect on emitted light; offside front seat belt webbing slightly damaged or frayed.

Mileage at that test: 28,197 miles, which matches the advertised 29,300 miles.

Advertised mileage is about 35,700 miles lower than the median mileage of a 2018 Audi A3 on AskCar.

Similar cars

3 other 2018 Audi A3 S Line 2.0 diesel manual hatchbacks are for sale at UK dealers, from £8,750 to £12,745, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2018 Audi A3 S Line, 2.0 diesel hatchback, grey. Mileage: 85,000 miles. Price: £12,745, £2,254 less than this car. Dealer: Greenlight in Blackburn. AskCar page: https://askcar.co.uk/car/audi-a3-2018-7d99c91b234b
  • 2018 Audi A3 S Line, 2.0 diesel hatchback, blue. Mileage: 88,750 miles. Price: £10,490, £4,509 less than this car. Dealer: Oakwood Prestige Cars in Trowbridge. AskCar page: https://askcar.co.uk/car/audi-a3-2018-b8f01df433e3
  • 2018 Audi A3 S Line, 2.0 diesel hatchback, blue. Mileage: 107,000 miles. Price: £8,750, £6,249 less than this car. Dealer: MF Motors (Norwich) in Flordon. AskCar page: https://askcar.co.uk/car/audi-a3-2018-ca0447336780

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

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Photos

47 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.