Infinity Q50 2018 Used Automatic Gasoline mileage: 203 KM For sale, Infinity Q50, model 2018. Body, engine, airbags, and chassis are guaranteed. 4-cylinder turbo engine. There are some minor dents on the body. New registration and inspection. It was recently serviced. The front windshield was replaced by the previous owner. It needs the passenger seat sensor for the dashboard light to appear only.