2018 Audi A3 2.0 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 2.0 TFSI S Line Manual FWD Euro 6 (s/s) 5dr Sportback (187 bhp)
• Year: 2018
• Mileage: 48,592 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 130 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 48,592 miles on the clock, this 2018 Audi A3 S Line has done roughly 16,400 fewer miles than a typical 2018 Audi A3. The dealer is asking £14,297, which is £20 below the AskCar estimate of £14,317. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We first recorded this advert 24 days ago, and its asking price has since fallen by £300. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arthurs Motor Group - Oswestry, based in Oswestry. 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: £20 (under 1%) under the AskCar estimate of £14,317.

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 2.0 petrol engine is typically advertised at £13,500: the median of the 68 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 Audi A3 has been on sale for at least 24 days.

Price history

AskCar first saw this advert on 9 October 2026 at £14,597. Its asking price is now £14,297, £300 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 9 October 2026: £14,597
• 31 October 2026: £14,297

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 12 May 2027.

It has had 7 MOTs. The latest, on 14 October 2026, failed.

It failed on: nearside front inner tyre has ply or cords exposed; offside rear inner tyre has a cut in excess of the requirements deep enough to reach the ply or cords; nearside rear tyre tread depth below requirements of 1.6mm.

Advisories at the latest test: offside front inner tyre worn close to legal limit/worn on edge.

Mileage at that test: 48,592 miles, which matches the advertised 48,592 miles.

Advertised mileage is about 16,400 miles lower than the median mileage of a 2018 Audi A3 on AskCar.

Similar cars

6 other 2018 Audi A3 S Line 2.0 petrol manual hatchbacks are for sale at UK dealers, from £10,995 to £15,980, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A3 S Line, 2.0 petrol hatchback, black. Mileage: 54,416 miles. Price: £12,980, £1,317 less than this car. Dealer: Evans Halshaw Vauxhall Newport in Newport. AskCar page: https://askcar.co.uk/car/audi-a3-2018-7b22bd71745f
• 2018 Audi A3 S Line, 2.0 petrol hatchback, white. Mileage: 33,970 miles. Price: £15,980, £1,683 more than this car. Dealer: Stratstone Wolverhampton Audi in Wolverhampton. AskCar page: https://askcar.co.uk/car/audi-a3-2018-5eb954137cbf
• 2018 Audi A3 S Line, 2.0 petrol hatchback, black. Mileage: 64,632 miles. Price: £12,973, £1,324 less than this car. Dealer: JCT600 Doncaster Audi in Doncaster. AskCar page: https://askcar.co.uk/car/audi-a3-2018-36b60782d13c