GM and Toyota have been in bed before. The Pontiac Vibe is built at the NUMMI plant, a joint GM-Toyota facility in Fremont, California. It is basically a Toyota Matrix motor and chassis, but with Pontiac styling inside and out.
http://www.edmunds.com/pontiac/vibe/review.html
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03 GT, STB, GM HD sway bars, 35% tint, GE893(37watt)fogs, Flowtech Terminators, 180 T-stat, ZZP DP & PCM, Ceramic PLOG & Crossover, 18" glasspack, 2007 17" Mustang Bullits 235/55/17 Pirelli PZero Nero, 12" R1 D\S rotors, gutted air box, GTP radiator