Much of Ford Motor Co. and Chrysler LLC’s future success will depend on customer reaction to the latest upgrades of their full-size pickup trucks introduced to the press Sunday during the North American International Auto Show here.Ford showcased the 2009 model-year version of its keystone vehicle, the F-150. The truck has been the best selling full-size pickup truck for 30 years, according to the company, but its leadership cushion has been shrinking over the past few years as competitors, most notably Toyota, have been closing the gap.

The 2009 F-150 will have more rear seating room, more carrying and towing capacities, an integrated trailer brake controller, trailer sway control, new safety features and a new high-end trim level among its upgrades.

The Dodge Ram 1500 plays an equally important role for the Dodge division as part of the now privately owned Chrysler. The latest version of the Dodge Ram 1500, also a 2009 model-year, will have a crew cab option, the first for this full-size truck. Other features include more power and torque from the optional 5.7 liter Hemi V8, a new coil spring rear suspension for better ride and handling, and upgraded interiors, a response to customer complaints about the current offerings, company officials said.

Both models will begin production later this year and be available in the fall.

See the March issue of LIGHT & MEDIUM TRUCK for complete coverage of these models and other vehicles introduced at the show.