The 2017 TITAN XD Single Cab, like the TITAN XD Crew Cab, will be offered in a choice of two engines – the Cummins® 5.0L V8 Turbo Diesel, which is rated at 310 horsepower and 555 lb-ft of torque; and the 5.6-liter Endurance V8, rated at 390 horsepower and 394 lb-ft of torque.