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: 102,000 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 102,000 miles, approximately 37,000 above the typical mileage for its age. The dealer is asking £10,495, which is £585 above the AskCar estimate of £9,910. To work out the AskCar estimate, we analyse UK dealer adverts for 6,630 Audi A3 cars across different ages and specifications. We have tracked this advert today. The government's MOT record matches its advertised mileage. You can find this car at Eclipse Car Sales in Eastleigh. 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: £585 (5%) over the AskCar estimate of £9,910.

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

AskCar first saw this 2018 Audi A3 advertised today. About half of 2018 Audi A3 cars are gone from sale within a month of being advertised: 244 of the 490 first advertised between 10 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 4 November 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 3 July 2027.

It has had 5 MOTs. The latest, on 18 June 2026, passed.

Advisories at the latest test: interior rear view mirror missing; nearside rear tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge; and 5 more.

Mileage at that test: 96,481 miles, which matches the advertised 102,000 miles.

Advertised mileage is about 37,000 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, black. Mileage: 89,241 miles. Price: £10,495, the same price as this car. Dealer: BAV Motor Company in Bridgend. AskCar page: https://askcar.co.uk/car/audi-a3-2018-ea5a8bca9015
• 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