didn't say a duramax could beat a corvette, I said it felt as if it had enough torque to take on a corvette. fastest pick 'em truck I've ever had my hands on. the salesman opened the hood and placed a quarter on it's edge on the air cleaner as the big Duramax idled, AMAZING. and for $50K it should be amazing. some people are diesel heads, some aren't. I've always enjoyed the reliability and the highway fuel mileage. plus, there is just something about hearing the sound of a diesel engine that is reassuring. just heard that Mercedes Benz ran one of the new BlueTec diesels 400,000 miles NON STOP.