All short-wheelbase models got new dual-sliding doors with a power option for the 1998 Trans Sport, with side-impact airbags being made standard. Next-gen airbags were now standard in the front, too.
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1998 Pontiac Trans Sport
The 1998 Pontiac Trans Sport is a seven-passenger minivan which is available with a three or four-door configuration and is rated at 25 mpg on the highway.