The standard features of the GMC Sierra 1500 Pro include TurboMax 2.7L I-4 310hp intercooled turbo engine, 8-speed automatic transmission with overdrive, 4-wheel anti-lock brakes (ABS), Side seat mounted airbags, Curtain 1st and 2nd row overhead airbags, Airbag occupancy sensor, Air conditioning, 17" steel wheels, ABS and driveline traction control, StabiliTrak w/Proactive Roll Avoidance electronic stability, Power windows