The GMC Sierra 1500 AT4X Is The Perfect Blend Of Luxury And Offroading

GMC solely sells the AT4X with a single powertrain, a 6.2-liter V8 related to a 10-speed computerized transmission. That is our favourite upgraded engine/transmission mixture within the full-size section, besting each Ford’s 3.5-liter twin-turbocharged EcoBoost V6 and Ram’s 5.7-liter Hemi V8. With 420 horsepower and 460 lb-ft of torque, it is extra highly effective than […]