saw a longer-wheelbase option, 122 in (309.9 cm) versus 103 in (261.6 cm) for the regular wheelbase. The V6 Xtracab SR5 earned Motor Trend magazine's Truck of the Year award that year. Production began at the NUMMI plant in Fremont , California in 1991. posted by livingstoneg at 12:17 AM | 0 comments posted