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) 5dr Sportback (148 bhp)
• Year: 2018
• Mileage: 83,590 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Black
• CO2: 125 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A3 S Line is advertised with 83,590 miles, approximately 18,600 above the typical mileage for its age. Priced at £10,999, it is advertised £346 above the AskCar estimate of £10,653. The AskCar estimate uses 6,542 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 17 days ago. Its advertised mileage matches the government's MOT record. It is for sale at NexCar in Neath. 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: £346 (3%) over the AskCar estimate of £10,653.

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 17 days.

Price history

AskCar first saw this advert on 16 October 2026 at £10,999. 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 15 November 2026.

It has had 6 MOTs. The latest, on 27 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 70,690 miles, which matches the advertised 83,590 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, grey. Mileage: 83,600 miles. Price: £9,999, £1,000 less than this car. Dealer: Noya Motor Group in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a3-2018-e01ef67443d0
• 2018 Audi A3 S Line, 1.5 petrol hatchback, black. Mileage: 83,632 miles. Price: £10,290, £709 less 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, £1,004 less than 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, 28 miles from this car. Mileage: 48,000 miles. Price: £13,350, £2,351 more than this car. Dealer: Bob Davies Car Sales in Ebbw Vale. AskCar page: https://askcar.co.uk/car/audi-a3-2018-853ce97dcdcf