Model Tested: 2016 GMC Sierra Denali 1500 4WD Crew Cab Engine: 6.2-liter V-8 gas, 420 horsepower 460 lb-ft torque Transmission: 8-speed automatic, four-wheel-drive EPA Ratings: 15/City—21/Highway—17/Combined Base Price: $53,565 As Tested: $60,765 Performance: Smooth, car-like highway ride Excellent 8-speed automatic transmission Seamless transitions … read more