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: 81,300 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 124 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 81,300 miles on the clock, this 2018 Audi A3 S Line has done roughly 16,300 more miles than a typical 2018 Audi A3. Its asking price of £12,500 is £1,032 above the AskCar estimate of £11,468. The AskCar estimate uses 6,630 UK dealer adverts for the Audi A3, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 160 days ago. Its asking price has since fallen by £1,495. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by J26 Car Sales in Ballymena. 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

Above the going rate: £1,032 (9%) over the AskCar estimate of £11,468.

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 160 days.

Price history

AskCar first saw this advert on 28 May 2026 at £13,995. Its asking price is now £12,500, £1,495 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 28 May 2026: £13,995
• 13 August 2026: £13,595
• 1 September 2026: £13,249
• 11 September 2026: £12,995
• 13 October 2026: £12,750
• 4 November 2026: £12,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 7 November 2026.

It has had 5 MOTs. The latest, on 7 November 2025, passed.

Advisories at the latest test: offside rear tyre worn close to legal limit/worn on edge also slightly perished 225/40/18.

Mileage at that test: 78,051 miles, which matches the advertised 81,300 miles.

Advertised mileage is about 16,300 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, grey. Mileage: 75,000 miles. Price: £11,995, £505 less than this car. Dealer: Isaac Motors in Swansea. AskCar page: https://askcar.co.uk/car/audi-a3-2018-73ab2d0ba899
• 2018 Audi A3 S Line, 1.5 petrol saloon, black. Mileage: 89,241 miles. Price: £10,495, £2,005 less than 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, black. Mileage: 95,000 miles. Price: £11,395, £1,105 less than this car. Dealer: Autobarn Carsales. AskCar page: https://askcar.co.uk/car/audi-a3-2018-28c30d3efbc5

• The nearest: 2018 Audi A3 S Line, 1.5 petrol saloon, black, 202 miles from this car. Price: £12,950, £450 more than this car. Dealer: Abbey Vehicle Solutions in Stockport. AskCar page: https://askcar.co.uk/car/audi-a3-2018-6a8d96bf2748