McLaren X-1

McLaren Special Operations unveiled a one-off supercar this weekend at Pebble Beach called the X-1, designed exclusively for an anonymous enthusiast. Following a consultation with the client a design by McLaren's Korean-born RCA graduate Hong Yeo was chosen. "X-1 embodies the McLaren value that every part has to have a purpose," said Yeo.

Mercedes introduces C-Class Estate

Mercedes-Benz introduced a wagon variant of its new C-Class today at its factory in Bremen in northwestern Germany. The C-Class Estate is not only an affirmation of the popularity of the Benz wagon, a popularity that transcends decades as well as engine swaps, but also a commitment to Bremen -- a facility that already builds the C-Class, along with the E-Class, SL, SLK and GLK. The C-Class Estate makes extensive use of aluminum construction -- up to 50 percent of its body is made of the stuff.

GM reveals new 4.3-liter V6 EcoTec3 truck engine specs and details

The Motor City truck wars are hotter than ever with Ford, Ram and GM each recently revamping their pickup lineup. The most recent contender: GM's redesigned Chevrolet Silverado and GMC Sierra. In addition to new exterior designs, a new engine -- the 4.3-liter EcoTec3 V6 -- will be available to complement V8 options.