Toyota Avalon XLI 2017 Used Automatic Gasoline mileage: 750 KM or more For sale, Avalon. Gearbox and engine are in excellent condition, no issues whatsoever. The gearbox was overhauled with original parts two years ago, and the overhaul is guaranteed. Chassis, gearbox, and engine are in perfect condition, no issues at all. Oil is changed regularly every 4,000 km. Mileage: 750,000 km.