2018 Audi A3 1.6 TDI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.6 TDI S Line Manual FWD Euro 6 (s/s) 5dr Sportback (108 bhp)
• Year: 2018
• Mileage: 66,500 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.6 litres, 108 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Red
• CO2: 108 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A3 S Line is advertised with 66,500 miles on the clock. The AskCar estimate for this car is £11,794. It is priced at £11,295, which is £499 below that estimate. 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 saw this car advertised 51 days ago. Its asking price has since fallen by £200. The government's MOT record matches its advertised mileage. You can find this car at Linke and Lyons Motor Group in King's Lynn and West Norfolk. 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: £499 (4%) under the AskCar estimate of £11,794.

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 51 days.

Price history

AskCar first saw this advert on 12 September 2026 at £11,495. Its asking price is now £11,295, £200 less. The latest price cut was seen on 7 October 2026.

Price changes recorded:

• 12 September 2026: £11,495
• 7 October 2026: £11,295

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 29 July 2027.

It has had 7 MOTs. The latest, on 27 July 2026, passed.

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

Mileage at that test: 65,321 miles, which matches the advertised 66,500 miles.

Advertised mileage is about 1,500 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 £11,000, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A3 S Line, 1.6 diesel hatchback, black. Mileage: 70,000 miles. Price: £11,000, £295 less than this car. Dealer: LIV Motors in Prestwich. AskCar page: https://askcar.co.uk/car/audi-a3-2018-964ab24a260e
• 2018 Audi A3 S Line, 1.6 diesel hatchback, grey. Mileage: 78,267 miles. Price: £10,490, £805 less 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: 123,760 miles. Price: £7,396, £3,899 less than this car. Dealer: Stockport Car Supermarket in Stockport. AskCar page: https://askcar.co.uk/car/audi-a3-2018-d69bf0464c1b

• The nearest: 2018 Audi A3 S Line, 1.6 diesel hatchback, red, 80 miles from this car. Mileage: 138,000 miles. Price: £6,500, £4,795 less than this car. Dealer: Coventry Sterling Motors in Coventry. AskCar page: https://askcar.co.uk/car/audi-a3-2018-be8f500241f1