2005 PONTIAC MONTANA SV6 VAN
Dear Queentricia-- The terms 1SA and 1SB refer to trim levels of the Pontiac Montana van. For an increase of just under $4,000 on the original MSRP, you got a laundry list of extra options when you chose 1SB over the 1SA. For complete information refer to http://autos.msn.com/research/vip/overview.aspx?year=2005&make=Pontiac&model=Montana%20SV6&trimid=-1. The extra options include a tow oprep oackage, power slkiding passenger door, privacy glass and traction and stability control, etc. Thanks for asking. Good luck from Bovan.
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