Hi Scotty i just bought a 2002 GMC Envoy, has a straight six 4.2L vortec engine FWD has 56,000 miles. What do you think of the SUV and how could i get better gas mileage. Right now I am getting around 19 miles per gallon on the highway and about 15 in city. Thanks David

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I am not a modern GM fan, but you have it. Use full syn oil and drive conservatively. But those are pretty much gas hogs