Originally Posted by EdgeXXX

Ok, here are the official numbers:

General Information (Jeep Grand Cherokee Srt-8)
Base Price: $39,995.00
Miles Per Gallon: --/-- mpg
Curb Weight: 4788 lbs
Layout: Front-Engine/AWD
Transmission: 5-Speed Auto
Engine
Type: Hemi V8
Displacement: 6059 cc
Horsepower: 420 bhp @ 6200 rpm
Torque: 420 lb-ft @ 4800 rpm
Redline: 6400 rpm
Performance
0-60 mph: 4.7 sec
Top Speed: 155+ mph
Quarter Mile: Mid 13s


General Information (Porsche Cayenne Turbo) from Porsche:
Base Price: $89,300
Miles Per Gallon: 13/18 mpg
Curb Weight: 5200 lbs
Layout: Front-Engine/AWD
Transmission: 6-Speed Tiptronic
Engine
Type: Biturbo V8
Displacement: 4511 cc
Horsepower: 450 bhp @ 6000 rpm
Torque: 457 lb-ft @ 2250-4750 rpm
Redline: 6400 rpm
Performance
0-60 mph: 5.2 sec
0-100 mph: 13.1 sec
Quarter Mile: 13.7 sec @ 104 mph
Skidpad: .82g
Top Speed: 165 mph