Hummer H3 2007 Used Manual Gasoline mileage: 320 KM or more 4WD Engines are under warranty. Differentials and chassis are under warranty. The engine is 5 cylinders, manual transmission. Mileage is 320,000. It needs a periodic inspection. The registration is valid. The air conditioning is excellent. The permanent four-wheel drive has been disconnected. Light and heavy duty.