Performance & Powertrain
The standard engine across most trims is the 5.3L EcoTec3 V8, rated at 355 hp and 383 lb-ft of torque, paired with a 10-speed automatic transmission. Dynamic Fuel Management helps the engine deactivate cylinders under light loads to improve real-world efficiency. RWD models return 15 city / 20 highway / 17 combined MPG. EPA fuel economy ratings Four-wheel-drive models return 14 city / 19 highway / 16 combined MPG.
The 6.2L EcoTec3 V8 is available on the RST, Premier, and 4WD Z71, and is standard on the High Country. The 3.0L Duramax Turbo-Diesel is available on LT, RST, Premier, and High Country in both 2WD and 4WD configurations.
Maximum towing capacity reaches 8,200 lbs, and the Suburban carries a payload rating of 1,759 lbs. The available Max Trailering Package and Advanced Trailering Package extend towing capability and add trailer-specific camera and guidance technology.









