Hi-Just purchased a 17 Silverado crew cab 4.3 v6, 4wd, November 1, 2016 with over $6500 off sticker. Drove it to Arizona, got over 29mpg part of the trip, over 25 average, and it now has 4000 miles and all tanks have been over 20mpg. Not leather, but nicely equipped, tow capacity at 7200, and my...