The standard features of the Chevrolet Express 3500 DIESEL include Duramax 6.6L V-8 260hp intercooled turbo engine, 6-speed automatic transmission with overdrive, 4-wheel anti-lock brakes (ABS), air conditioning, 16" steel wheels, ABS and driveline traction control, StabiliTrak electronic stability, radio prep with 2 speakers, systems monitor, light tinted windows, trip computer.