Date registered: Oct 2009
Vehicle: 2003 Lincoln LS V8
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S55 AMG: 493 HP, 517 ft-lb torque, supercharged V8
S550: 382 HP, 391 ft-lb torque, naturally aspirated V8
The AMG models also have different seats, body kit, and wheels, which are usually available as a sport/appearance package on non-AMG models.
4Matic is AWD. I'm 99% certain it's not available on the AMG.
Try to drive both of them on roads you normally drive, to see if you'll even use the extra power of the S55. In my experience, American highways don't offer very many opportunities to use the extra HP (unless you want to end up in jail).
Last edited by StarPower; 11-14-2009 at 07:15 AM.
Reason: Add information