The 2013 Ram 1500 leapfrogged competitors with its new Pentastar V6 engine, eight-speed automatic transmission, and 6% improvement in aerodynamic efficiency. New features include:

• Best in class gas mileage (V6 and V8): 20% better economy with either engine
• Power increases with the V6 at 305 hp and the Hemi V8 now at 395 hp [details]
• Reduced noise with best in class aerodynamics (cD = 0.363)
• Air suspension for better mileage, ride control, loading, and off-road clearance
• Stronger, stiffer frame with more high-strength steel
• Next generation electronics with cell-equipped radios, voice control (and texting), available software updates, and configurable 7” information center
• New interiors with upgraded materials and features (we tried the SLT seats and found them more comfortable)

http://www.allpar.com/model/ram/2013-ram.html

The 2013 SRT Viper from Dodge: the real thing

640 horsepower. 600 foot-pounds of torque. 100 pound weight reduction. Three models: Base, S, Track Pack.

http://www.allpar.com/cars/viper/2012-dodge-viper.html