For carmakers fighting to get a leg-up on the competition, collaboration is the counterintuitive key to success. And while it may make for some strange bedfellows (VW and Bugatti, anyone?), it can also result in striking offspring with the best qualities of both parents.
Why Car Mash-Ups Are All The Rage
Call it the new math: two automakers teaming up to produce one sweet ride.
Buick Regal GS
(General Motors + Opel)
If you take a peek beneath the Regal's stylish surface, you'll find an Opel Insignia, a sports sedan that won coveted European Car of the Year honors in 2009. The GS version includes a 270-hp turbo four-cylinder engine and a six-speed transmission, injecting the German model with some Motown attitude.