Clean CARFAX. CARFAX One-Owner. Summit White 4WD 6-Speed Automatic Duramax 6.6L V8 TurbodieselWe have devoted ourselves to helping and serving our customers to the best of our ability. We believe the cars we offer are the highest quality and ideal for your life needs. We understand that you rely on our web site for accurate information, and it is our pledge to deliver you relevant, correct, and abundant content.