CLK DTM:
Engine: 90º V8, supercharged
Engine Location: Front, longitudinally mounted
Displacement: 5.439 liter
Fuel feed: Fuel injection
Gearbox: Speedshift 5 speed Automatic
Power: 582 bhp / 434 KW @ 6100 rpm
Torque: 800 Nm / 590 ft lbs @ 3500 rpm
Power to weight ratio: 0.33 bhp / kg
Top Speed: 320 km/h / 199 mph (limited)
0-60 mph Acceleration: 4.1 s
Price: 260.266 €
SLR AMG:
Engine: 90º V8, supercharged
Engine Location: Front , longitudinally mounted
Displacement: 5.439 liter
Fuel feed: Fuel injection
Gearbox: 5 speed Automatic
Power: 626 bhp / 467 KW @ 6500 rpm
Torque: 780 Nm / 575 ft lbs @ 3250 rpm
Power to weight ratio: 0.35 bhp / kg
Top Speed: 334 km/h / 208 mph (claimed)
0-60 mph Acceleration: 3.8 s (claimed)
Price: 452.573 €
Basicaly both cars have the same engine.
Both are rear wheel drive of course...
I'd go for the CLK DTM.
It's more a race car then the SLR
And it's even more seldom then the SLR.