Chrysler adds diesel engine to light-duty Ram

NEW YORK, NY - APRIL 05: The 2013 Dodge RAM is displayed at the 2012 New York Interantional Auto Show on April 5, 2012 in New York City. The New York International Auto Show features nearly 1,000 brand new vehicles from all auto industry sectors and is open to the public April 6-15. (Photo by Andrew Burton/Getty Images)

DETROIT Chrysler is adding a diesel engine to its light-duty Ram pickup truck lineup. The company is promising the best fuel economy of any full-size pickup in the U.S.

Chrysler wouldn't release exact mileage figures, but spokesman Nick Cappa says the three-liter, six-cylinder diesel engine will beat the 25 mpg the current gas-powered V-6 gets on the highway in the Ram 1500. The six-cylinder Ram is tops in the industry for highway mileage.

The company says the new turbocharged diesel makes 240 horsepower and has 420 foot-pounds of torque. Chrysler says the 2014 Ram will be the only light-duty diesel pickup on the market.

The diesel will cost $2,850 more than a Ram with Chrysler's Hemi V-8 engine. The 2014 Ram will start at $24,200, excluding shipping costs.

Chrysler is scrapping a 4.7-liter V-8 engine in the Ram for 2014.

Chrysler does plan to offer a big 6.4-liter gas-powered V-8 engine in its heavy-duty 2500 and 3500 Ram pickups.

The pickups will arrive in showrooms In the fall. The diesel version will reach dealerships in the fourth quarter.