The standard features of the Chevrolet Avalanche 1500 LS include 5.3L V-8 320HP engine, 4-speed automatic transmission with overdrive, 4-wheel anti-lock brakes (ABS), curtain 1st and 2nd row overhead airbags, airbag occupancy sensor, air conditioning, 17" alloy wheels, cruise control, ABS and driveline traction control, StabiliTrak stability control, and a 6 way power driver seat.