Crashworthiness Evaluations of large pickups, February 2009
"Chevrolet Silverado 1500, Dodge Ram 1500, and Nissan Titan are billed as workhorses, but the side crash protection these 2009 model large pickups provide is wimpy, at best. The trio earns either poor or marginal ratings in side tests by the Insurance Institute for Highway Safety. Even with side airbags, occupant protection in these crew-cab pickups is no better than marginal."
Article From IIHS:
http://www.iihs.org/news/rss/pr021109.html
TOYOTA TUNDRA along with Honda Ridgeline and Ford F-150 got GOOD ratings: