2018 Audi A3 1.5 TFSI CoD S Line

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: 83,600 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 118 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A3 S Line has covered 83,600 miles, around 18,600 more miles than is typical for its age. Priced at £9,999, it is advertised £366 below the AskCar estimate of £10,365. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We first saw this car advertised 20 days ago. Its asking price has since fallen by £500. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Noya Motor Group in Peterborough. 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: £366 (3%) under the AskCar estimate of £10,365.

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 20 days.

Price history

AskCar first saw this advert on 13 October 2026 at £10,499. Its asking price is now £9,999, £500 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 13 October 2026: £10,499
• 26 October 2026: £10,199
• 29 October 2026: £9,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 28 April 2027.

It failed its MOT on 27 April 2026 (nearside front tyre has a bulge, caused by separation or partial failure of its structure) and passed 2 days later, on 29 April 2026.

There were no advisories at the latest test.

Mileage at that test: 83,907 miles, which matches the advertised 83,600 miles.

Advertised mileage is about 18,600 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: 83,590 miles. Price: £10,999, £1,000 more than this car. Dealer: NexCar in Neath. AskCar page: https://askcar.co.uk/car/audi-a3-2018-725571f84fc3
• 2018 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 83,632 miles. Price: £10,290, £291 more than this car. Dealer: Auto32 in West Molesey. AskCar page: https://askcar.co.uk/car/audi-a3-2018-75a75fd7bbb2
• 2018 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 86,914 miles. Price: £9,995, the same price as this car. Dealer: Croyland Car Megastore in Rushden. AskCar page: https://askcar.co.uk/car/audi-a3-2018-faf4d70b961e

• The nearest: 2018 Audi A3 S Line, 1.5 petrol hatchback, grey, 5 miles from this car. Mileage: 104,922 miles. Price: £8,990, £1,009 less than this car. Dealer: Auto Zone Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a3-2018-87e6f1c85831