The 2019 GMC Sierra 1500 is available in six trim levels: base, SLE, Elevation, SLT, AT4 and Denali. The base Sierra comes with a 4.3-liter V6 (285 horsepower, 305 pound-feet of torque), a six-speed automatic transmission, 17-inch steel wheels, automatic xenon headlamps, power locks, a locking tailgate, power windows, air conditioning, cruise control, a rearview camera, a tilt-only steering wheel, Bluetooth, a 7-inch touchscreen interface, USB connectivity, Android Auto and Apple CarPlay integration, and a six-speaker sound system. The Sierra Convenience package adds remote keyless entry, a remote-locking tailgate, heated power mirrors, a 110-volt AC outlet and LED cargo box lighting. The Elevation trim includes those items plus special 20-inch black alloy wheels, LED foglights and body-colored exterior trim.