* 4.8L Vortec V8: This engine produces 295 horsepower and 322 lb-ft of torque.
* 5.3L Vortec V8: This engine produces 320 horsepower and 335 lb-ft of torque.
* 6.0L Vortec V8: This engine produces 361 horsepower and 381 lb-ft of torque.
To know the specific engine size of your 2010 Chevrolet Express, you can check the following:
* Vehicle Identification Number (VIN): The VIN contains information about the vehicle's specifications, including the engine size.
* Owner's manual: The owner's manual lists the engine size and other specifications of your vehicle.
* Engine compartment: The engine size is typically listed on a sticker attached to the engine itself.
Please note that engine availability and specifications may vary depending on the trim level, drivetrain, and other factors.