2018 Audi A3 1.5 TFSI CoD S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI CoD 35 S Line Manual FWD Euro 6 (s/s) 4dr (148 bhp)
• Year: 2018
• Mileage: 89,241 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Black
• CO2: 124 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A3 S Line is advertised with 89,241 miles, approximately 24,200 above the typical mileage for its age. Its asking price of £10,495 is £344 below the AskCar estimate of £10,839. To work out the AskCar estimate, we analyse UK dealer adverts for 6,630 Audi A3 cars across different ages and specifications. It first appeared in our advert records 70 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at BAV Motor Company in Bridgend. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £344 (3%) under the AskCar estimate of £10,839.

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 6,630 priced Audi A3 adverts across different ages and specifications, as of 4 November 2026.

A 2018 Audi A3 with the 1.5 petrol engine is typically advertised at £12,100: the median of the 138 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2018 Audi A3 has been on sale for at least 70 days.

Price history

AskCar first saw this advert on 26 August 2026 at £10,495. 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 4 November 2026: valid until 31 August 2027.

It failed its MOT on 17 August 2026 (offside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 89,574 miles, which matches the advertised 89,241 miles.

Advertised mileage is about 24,200 miles higher than the median mileage of a 2018 Audi A3 on AskCar.

Similar cars

5 other 2018 Audi A3 S Line 1.5 petrol manual saloons are for sale at UK dealers, from £10,495 to £12,950, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 95,000 miles. Price: £11,395, £900 more than this car. Dealer: Autobarn Carsales. AskCar page: https://askcar.co.uk/car/audi-a3-2018-28c30d3efbc5
• 2018 Audi A3 S Line, 1.5 petrol saloon, grey. Mileage: 81,300 miles. Price: £12,500, £2,005 more than this car. Dealer: J26 Car Sales in Ballymena. AskCar page: https://askcar.co.uk/car/audi-a3-2018-91fe92d6c573
• 2018 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 102,000 miles. Price: £10,495, the same price as this car. Dealer: Eclipse Car Sales in Winchester. AskCar page: https://askcar.co.uk/car/audi-a3-2018-e69527622250

• The nearest: 2018 Audi A3 S Line, 1.5 petrol saloon, grey, 17 miles from this car. Mileage: 75,000 miles. Price: £11,995, £1,500 more than this car. Dealer: Isaac Motors in Swansea. AskCar page: https://askcar.co.uk/car/audi-a3-2018-73ab2d0ba899