Okay.... I feel really dumb but, what'* the difference between an H body and a W body?

I've never heard of either except in here.
I've got a '99 SSE and for some mods, I need to know which body style I have...

Bonneville = H-body
Grand Prix = W-body

There are other cars made by GM that fall under the same body because essentially they are the same car.

Thanks!

Vehicles using the W-body include:

107.5 in wheelbase:

o 1988-1996 Buick Regal
o 1988-1997 Oldsmobile Cutlass Supreme
o 1988-1996 Pontiac Grand Prix
o 1990-2001 Chevrolet Lumina
o 1995-1999 Chevrolet Monte Carlo

109 in wheelbase

o 1997-2005 Buick Century
o 1997-2004 Buick Regal
o 2000-2005 Chevrolet Monte Carlo
o 1998-2002 Oldsmobile Intrigue

110.5 in wheelbase

o 2000-2005 Chevrolet Impala
o 1997-2003 Pontiac Grand Prix


Vehicles using the H-body include:

110.5 in wheelbase

o 1986-1999 Buick LeSabre
o 1986-1988 Delta 88
o 1992-1996 Oldsmobile 88 Royale
o 1989-1999 Oldsmobile 88
o 1996-1999 Oldsmobile LSS
o 1997-1998 Oldsmobile Regency
o 1987-1999 Pontiac Bonneville

Source: Wikipedia

Wait, now I feel like the nub...

What are the 2000-2005 Bonnevilles then?

THAT was built on the "G platform"

You would think in the three years that i have been here I would have heard that....no?

depends who you talk to......Wikipedia is not accurate.....

The 2k Bonnevilles have an H in the Vin. Not a G. Let'* kill that myth.