GMC Sierra 2014 mileage: 334 KM or more Masha'Allah Tabarak Allah Sierra 2014, full option, double (4x4). The body is original. Color: Black. The engine and gearbox are factory condition, guaranteed. Only lifters changed and 4-cylinder system disengaged. Mileage: 334,000. Asking price: 73,000. Serious buyers only, please. No calls from non-serious buyers.