The standard features of the GMC Acadia SLE include 2.0L I-4 228hp intercooled turbo engine, 9-speed automatic transmission with overdrive, 4-wheel anti-lock brakes (ABS), side seat mounted airbags, curtain 1st, 2nd and 3rd row overhead airbag, driver knee airbag, airbag occupancy sensor, automatic air conditioning, 18" aluminum wheels, cruise control, ABS and driveline traction control, all-wheel.