2018 Audi A3 1.6 TDI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.6 TDI 30 S Line Manual FWD Euro 6 (s/s) 5dr Sportback (114 bhp)
• Year: 2018
• Mileage: 123,760 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.6 litres, 114 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Black
• CO2: 118 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 123,760 miles on the clock, this 2018 Audi A3 S Line has done roughly 58,800 more miles than a typical 2018 Audi A3. Priced at £7,396, it is advertised £36 above the AskCar estimate of £7,360. The AskCar estimate uses UK dealer asking prices, including 6,542 Audi A3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 49 days ago, and its asking price has since fallen by £599. The latest recorded MOT expiry date is 26 September 2026, which has passed. Confirm its status with the dealer. Its advertised mileage matches the government's MOT record. The seller is Stockport Car Supermarket, based in Stockport. 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: £36 (under 1%) over the AskCar estimate of £7,360.

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 1.6 diesel engine is typically advertised at £10,100: the median of the 36 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 Audi A3 has been on sale for at least 49 days.

Price history

AskCar first saw this advert on 14 September 2026 at £7,995. Its asking price is now £7,396, £599 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 14 September 2026: £7,995
• 3 October 2026: £7,695
• 11 October 2026: £7,500
• 31 October 2026: £7,396

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 26 September 2026; ask the dealer for the current MOT.

It has had 7 MOTs. The latest, on 26 September 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 106,933 miles, which matches the advertised 123,760 miles.

Advertised mileage is about 58,800 miles higher than the median mileage of a 2018 Audi A3 on AskCar.

Similar cars

4 other 2018 Audi A3 S Line 1.6 diesel manual hatchbacks are for sale at UK dealers, from £6,500 to £11,295, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A3 S Line, 1.6 diesel hatchback, red. Mileage: 138,000 miles. Price: £6,500, £896 less than this car. Dealer: Coventry Sterling Motors in Coventry. AskCar page: https://askcar.co.uk/car/audi-a3-2018-be8f500241f1
• 2018 Audi A3 S Line, 1.6 diesel hatchback, grey. Mileage: 78,267 miles. Price: £10,490, £3,094 more than this car. Dealer: Ebony & Ivory Motors in Scunthorpe. AskCar page: https://askcar.co.uk/car/audi-a3-2018-d0ec712d16b7
• 2018 Audi A3 S Line, 1.6 diesel hatchback, black. Mileage: 70,000 miles. Price: £11,000, £3,604 more than this car. Dealer: LIV Motors in Prestwich. AskCar page: https://askcar.co.uk/car/audi-a3-2018-964ab24a260e