I have a 1991 420 SEL (199,000) and my wife has a 1991 560 SEC (73,000). While my car has many more miles, it has been well maintained and is very reliable yet I am amazed at the significant differance in power and torgue my wife's car has. Compared to my 420 sedan, her coupe flys. Since I am interested in picking up a 1991 560 SEL sedan (partial to the 126 sedan), can I expect the same differance? I've never driven a 560 SEL sedan.

J.Chip