Actual rating will vary with options, driving conditions, habits and vehicle condition.
The standard features of the GMC Sierra 1500 Hybrid 3HA include Vortec 6.0L V-8 332hp engine, 4-speed automatic/CVT transmission with overdrive, 4-wheel anti-lock brakes (ABS), side seat mounted airbags, curtain 1st and 2nd row overhead airbags, airbag occupancy sensor, automatic air conditioning, 18" aluminum wheels, cruise control, ABS and driveline traction control, and a StabiliTrak w/Proactive Roll Avoidance electronic stability. (en)
Starting at: $40,010