4x4 Crewmax Capstone Hybrid - The Toyota Tundra Capstone Hybrid is a top-of-the-line trim of Toyota's full-size pickup truck. Here are some key details about this vehicle Key Features Powertrain Features a 3.4-liter twin-turbo V6 engine paired with an electric motor, producing 437 horsepower and 583 lb-ft of torque. Capabilities Has a maximum payload capacity of 1,485 lbs and a maximum towing capacity of 10,340 lbs. Fuel Economy EPA-estimated fuel economy of 19 MPG (city), 22 MPG (highway), and 21 MPG (combined) Interior and Exterior The Capstone trim boasts a luxurious interior with features like semi-aniline leather-trimmed seats, American Walnut inlays, and acoustic laminated side windows. Exterior highlights include 22-inch dark chrome alloy wheels, chrome inserts on the front grille, and power running boards ¹.