2018 Audi A3 1.5 S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI S Line S tronic FWD Euro 6 5dr (147 bhp)
• Year: 2018
• Mileage: 45,185 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 147 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 114 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 45,185 miles on the clock, this 2018 Audi A3 S Line has done roughly 19,800 fewer miles than a typical 2018 Audi A3. Its asking price of £13,560 is £948 below the AskCar estimate of £14,508. 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 13 days ago. Its asking price has since fallen by £690. The government's MOT record matches its advertised mileage. It is for sale at Hilton Garage in Derby. 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: £948 (6%) under the AskCar estimate of £14,508.

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 13 days.

Price history

AskCar first saw this advert on 20 October 2026 at £14,250. Its asking price is now £13,560, £690 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

• 20 October 2026: £14,250
• 30 October 2026: £14,350
• 2 November 2026: £13,560

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 22 August 2027.

It failed its MOT on 18 August 2026 (rear brake pad(s) worn down to wear indicator) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 44,121 miles, which matches the advertised 45,185 miles.

Advertised mileage is about 19,800 miles lower than the median mileage of a 2018 Audi A3 on AskCar.

Similar cars

21 other 2018 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £9,695 to £15,995, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 46,182 miles. Price: £13,990, £430 more than this car. Dealer: Swansway Garages Blackburn Audi in Blackburn. AskCar page: https://askcar.co.uk/car/audi-a3-2018-1756f1181940
• 2018 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 47,320 miles. Price: £13,900, £340 more than this car. Dealer: Sytner Select Cardiff in Cardiff. AskCar page: https://askcar.co.uk/car/audi-a3-2018-ce8e5ed28cb7
• 2018 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 50,758 miles. Price: £14,170, £610 more than this car. Dealer: Bluauto in Uckfield. AskCar page: https://askcar.co.uk/car/audi-a3-2018-eb25d48b3b0d

• The nearest: 2018 Audi A3 S Line, 1.5 petrol hatchback, grey, 31 miles from this car. Mileage: 32,600 miles. Price: £15,985, £2,425 more than this car. Dealer: Michael Birks Specialist Cars in Sheffield. AskCar page: https://askcar.co.uk/car/audi-a3-2018-36264a2ac2d0