Cadillac CTS (3.2L engine)
220hp
220ft. lbs. of torque
143mph limit
0-60 in 6.9 seconds
3509 lbs.
$31,345 Base MSRP

Mercedes-Benz C320
215hp
221ft. lbs. of torque
0-60 in 7.0 seconds
3450 lbs.
$38,070 Base MSRP

Cadillac CTS (3.6L engine)
255hp
255ft. lbs. of torque
143mph limit
0-60 in 6.4 seconds (automatic only; 6 speed manual to arrive Q3 expected to do 6.2 by rough estimations)
3,568 lbs.
$36,580 Base MSRP

Mercedes-Benz E320
221hp
232ft. lbs. of torque
0-60 in 7.1 seconds
3605 lbs.
$48,795 Base MSRP

CTS hands down.....Benz is an unreliable let down.

Not only that, you have the price difference. Styling is a personal preference... And the CTS performs better...