This review did not allow for the proper 6.2 liter 8spd option to be selected as a detail regarding this vehicle which is what I am describing here… I Have a little under 900 miles on this truck, barely breaking it in after trading up from a 2014 GMC 5.3 liter 6spd double cab... The new 2017 with the 6.2L engine and 8spd tranny is far more drivable under every condition I have experienced to date… lots of low end torque and power… mountain driving in Colorado is much less an effort for this power train, it always seems to be in the right gear for the task… less clunky and more responsive than the 5.3 w/6 spd… Also, I am getting similar maybe even better gas mileage than the 5.3L 6 spd did… The 6.2L now needs to run on 87-91 octane so a bit of a trade off for fuel expense… I registered approx 27 mpg avg for a 60mph 50 mile run through the hills... 30 mpg one way and 24 mpg returning… some light snow and rain at the time… I have the All Terrain package which is great except for the Rancho shock absorbers which feel mushy at highway speeds... too much disconnect from the road, like the stock 20" wheels and tires are bouncing at times… I much prefer the grip and feel of Bilstein shocks and will change them over after a bit more driving… did the same on my 2014 with a vast improvement in handing and control… it felt much safer to drive under all conditions especially on rough roads, paved, gravel or dirt… almost got a speeding ticket right after changing to the Bilstein shocks on my '14 All Terrain double cab because it felt like I was driving slower than I was used to, when actually I was going 10 mph faster… I do wish the 1500 frame was stiffer with less resonance like the 2500HD… Didn't like 2500 gas powertrain… felt sluggish… The GMC '17 electronics now have a much better user interface for the most part, a more positive touch screen and works fairly well at linking the functions on my IPhone… some distractions, random glitches, possibly user error… there are a few mysteries yet to unfold in that 8" glowing screen on the dash even after studying the manual for an hour… All in all… Yes, I am liking this truck! Is it worth the $$$$ ??? Time will tell...
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