2007 Chevrolet Suburban LS 1500 4dr SUV 4WD (5.3L 8cyl 4A)
Seriously the flex fuel is a waste and also don't trust the back glass because it falls off and it will be your fault that it was not well built. Save some money for the tires and all the things that go wrong every time you service your car.
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listen to the people who drive these trucks, it's our money not yours. and please do something about the oil