The standard features of the GMC Yukon XL SLE include EcoTec3 5.3L V-8 355hp engine, 10-speed automatic transmission with overdrive, 4-wheel anti-lock brakes (ABS), integrated navigation system, side seat mounted airbags, curtain 1st, 2nd and 3rd row overhead airbag, airbag occupancy sensor, automatic air conditioning, 18" aluminum wheels, cruise control, ABS and driveline traction control.