GM Plant Productivity Makes Gains on Toyota

General Motors Corp., once the symbol of big, slow corporate America, virtually matched Toyota Motor Corp., the icon of lean manufacturing, in North American assembly plant productivity last year for the first time since it has been measured, industry research group Harbour Consulting reported Thursday.
Toyota logged 22.05 hours of plant labor per vehicle assembled, while GM reported 22.15 hours, a difference of one-tenth of an hour, or just 6 minutes per vehicle.
"General Motors essentially caught Toyota in vehicle assembly productivity," consultancy President Ron Harbour said.
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