How's that 6.6 gas working for you?
Getting ready to order a new Chevy truck and trying to decide on either a HD2500 gas or the 1500 5.3 with the NHT option. I will be towing around 7,000 lbs and the 1500 is rated at 11,000. I know the ...
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I'm towing about 7,500 with a '21 GMC Sierra 2500 with the 6.6 gas engine. Especially after coming from a 1500, the 2500 tows our trailer with ease. It's a much more comfortable relaxing ride now. As for mileage, non-towing I've gotten anywhere from about 11 or 12 around town to about 17-18 on the highway. Towing, around 9-10 but that's not much difference than I was getting with the 1500.
