A 3.0-liter turbodiesel six-cylinder is once more offered at no extra cost. The Escalade’s familiar 6.2-liter V8 engine will continue as standard on all trims, paired with a 10-speed automatic transmission. The V8 produces 420 horsepower and 460 lb-ft of torque, enabling the Escalade to tow up to 8,200 pounds. Buyers who decide for it …