6.6 GM. Gas
Wondering about the 6.6 GM gas engine. Tow weight is about 11,000 lbs. thinking about going with the gas engine next time I buy . Pro’s or con’s also wondering about fuel mileage towing. I know if ...
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My experience with my GM trucks shows the DIC is inside 1 mpg when compared with doing figuring it manually, and when using the average at 400 miles it is within .5 mpg. To get that kind of mileage on a mix of city/highway mpg is good mpg for HD gas pickup.
