I listed some in another post, but here are more I found and I think they are quite entertaining!
ACURA- Another Crummy Useless Rotten Automobile
BMW- Big Money Waster
BUICK- Big Ugly Indestructable Car Killer
CHEVY- Can Handle Every Voyage Yet (made that up myself)
CHEVY- Can Hear Every Valve Yell
DODGE- Dead On Delivery, Go Easy
FERRARI- Fantastically Expensive, Rarely Runs And Ridiculously Italian
FORD- (a ton of them!) Found On Road Dead and Frigin' Old Rebuilt Dodge
GM- Garbage Motors
GMC- Got More Crap
HONDA- Had One Never Did Again
HUMMER- (Amen to this one) Huge Undeveloped Machine Manifests Exspensive Repairs.
MUSTANG- Motor Under Strain, Transmission Almost No Good
PINTO- Put In Nickel To Operate
PONTIAC- Poor Old Numbskull Thinks Its A Cadillac
TOYOTA- Too Often Yankees Overprice This Auto
VOLVO- Very Odd Looking Vehicular Object
VW- Virtually Worthless
Enjoy!!!! Feel free to add more!