Torque

• The 6.6-liter Duramax produces 660 lb.-ft. of torque at 1,600 rpm, according to MSN Autos. It has a compression ratio of 16.8-to-1 and a 6,601 cubic centimeter displacement.
  
  

Horsepower

• The Duramax diesel produces 365 horsepower at 3,200 rpm. According to Edmunds, the Silverado with the Duramax engine can tow up to 13,000 pounds.
  
  

Stroke and Bore

• The stroke for the Duramax is 3.89 inches. It has a bore of 4.05 inches. The 6.6-liter diesel comes standard with a Turbocharger.