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The 2005 Montana is a 4-door, up to 8-passenger mini van, available in two trims, the Extended Wheelbase 1SA and the Extended Wheelbase 1SE.
Upon introduction, both trims are equipped with a standard 3.4-liter, V6, 185-horsepower engine that achieves 19-mpg in the city and 26-mpg on the highway. A 4-speed automatic transmission with overdrive is standard.
The 2005 Montana is a carryover from 2004.