Pick one, Ive got several. 98 GMC 4x4, 337K miles. 96 Chevy 2500 2wd, 361K miles. But the hands down winner is my 98 Chevy 4x4 that I bought new, it now has 413K miles and Ive yet to touch the engine except water pump, alternator, plugs, wires, cap and rotor.