Sorry for the long post but cut and pasted from
GM's website :2004 Redemption Allowances*
2004 Buick Century $1,500
2004 Buick LeSabre $2,250
2004 Buick Park Avenue $3,000
2004 Buick Rainier $2,250
2004 Buick Regal $2,500
2004 Buick Rendezvous $2,250
2004 Cadillac CTS $1,000
2004 Cadillac DeVille $3,000
2004 Cadillac Escalade $1,500
2004 Cadillac Escalade ESV $1,500
2004 Cadillac Escalade EXT $1,500
2004 Cadillac Seville $3,500
2004 Cadillac SRX $1,000
2004 Cadillac XLR $1,000
2004 Chevrolet Astro $1,000
2004 Chevrolet Avalanche $1,500
2004 Chevrolet Aveo $1,000
2004 Chevrolet Blazer $1,000
2004 Chevrolet Cavalier $1,000
2004 Chevrolet Colorado $1,000
2004 Chevrolet Corvette $1,000
2004 Chevrolet Equinox $1,000
2004 Chevrolet Express $2,250
2004 Chevrolet Impala $2,250
2004 Chevrolet Malibu $1,000
2004 Chevrolet Malibu Maxx $1,000
2004 Chevrolet Monte Carlo $1,500
2004 Chevrolet S-10 Pickup $1,000
2004 Chevrolet Silverado $2,000
2004 Chevrolet SSR $1,000
2004 Chevrolet Suburban $2,250
2004 Chevrolet Tahoe $2,000
2004 Chevrolet Tracker $1,000
2004 Chevrolet TrailBlazer $2,250
2004 Chevrolet TrailBlazer EXT $2,250
2004 Chevrolet Venture $3,000
2004 GMC Canyon $1,000
2004 GMC Envoy $2,250
2004 GMC Envoy XL $2,250
2004 GMC Envoy XUV $2,250
2004 GMC Safari $1,000
2004 GMC Savana $2,250
2004 GMC Sierra $2,000
2004 GMC Sonoma $1,000
2004 GMC Yukon $2,000
2004 GMC Yukon XL $2,250
2004 HUMMER H2 $1,000
2004 Oldsmobile Alero $1,000
2004 Oldsmobile Silhouette $3,000
2004 Oldsmobile Bravada $2,250
2004 Pontiac Aztek $1,000
2004 Pontiac Bonneville $2,750
2004 Pontiac Grand Am $1,500
2004 Pontiac Grand Prix $1,500
2004 Pontiac GTO $1,000
2004 Pontiac Montana $3,000
2004 Pontiac Sunfire $1,000
2004 Pontiac Vibe $1,000
2005 Redemption Allowances*
2005 Buick Century $2,000
2005 Buick LaCrosse $1,000
2005 Buick LeSabre $2,500
2005 Buick Park Avenue $3,500
2005 Buick Rainier $2,500
2005 Buick Rendezvous $2,500
2005 Buick Terraza $1,000
2005 Cadillac CTS $1,000
2005 Cadillac DeVille $3,500
2005 Cadillac Escalade $2,500
2005 Cadillac Escalade ESV $2,500
2005 Cadillac Escalade EXT $2,500
2005 Cadillac SRX $1,000
2005 Cadillac STS $1,000
2005 Cadillac XLR $1,000
2005 Chevrolet Astro $1,000
2005 Chevrolet Avalanche $2,500
2005 Chevrolet Aveo $1,000
2005 Chevrolet Blazer $1,000
2005 Chevrolet Cavalier $1,000
2005 Chevrolet Cobalt $1,000
2005 Chevrolet Colorado $1,000
2005 Chevrolet Corvette $1,000
2005 Chevrolet Equinox $1,000
2005 Chevrolet Express $2,000
2005 Chevrolet Impala $2,000
2005 Chevrolet Kodiak $1,000
2005 Chevrolet Malibu $1,000
2005 Chevrolet Malibu Maxx $1,000
2005 Chevrolet Monte Carlo $2,000
2005 Chevrolet Silverado $2,500
2005 Chevrolet SSR $1,000
2005 Chevrolet Suburban $2,500
2005 Chevrolet Tahoe $2,500
2005 Chevrolet TrailBlazer $2,500
2005 Chevrolet TrailBlazer EXT $2,500
2005 Chevrolet Uplander $1,000
2005 Chevrolet Venture $3,000
2005 GMC Canyon $1,000
2005 GMC Envoy $2,500
2005 GMC Envoy XL $2,500
2005 GMC Envoy XUV $2,500
2005 GMC Safari $1,000
2005 GMC Savana $2,000
2005 GMC Sierra $2,500
2005 GMC Yukon $2,500
2005 GMC Yukon XL $2,500
2005 HUMMER H2 $2,000
2005 HUMMER H2 SUT $1,000
2005 Pontiac Aztek $1,000
2005 Pontiac Bonneville $2,500
2005 Pontiac G6 $1,000
2005 Pontiac Grand Am $1,500
2005 Pontiac Grand Prix $2,000
2005 Pontiac GTO $1,000
2005 Pontiac Montana $3,000
2005 Pontiac Montana SV6 $1,000
2005 Pontiac Sunfire $1,000
2005 Pontiac Vibe $1,000