Here's a NY Times article and, if you're still skeptical, a video, featuring a 2009 Chevy Malibu and a 1957 Chevy BelAir hitting head-on. The video is a bit creepy: Dummies flopping in the cars and the collision repeated again and again as seen by various cameras inside and outside of the cars.
It's creepy - but it's convincing. Check it out.... It was made by the Insurance Institute for Highway Safety. I trust those people the way I trust big oil. Don't you? Hard to fake this film though, I'd say, and not much to be gained by scaring folks out of their old Chevys. Right?