Glad we're all clear on that. Now...lets discuss the topic with this issue.
2008 BMW Z4 base model:
http://autos.yahoo.com/bmw_z4_roadster_3.0i-specs/
Price: $36,700 USD
Key Technical Specs:
Standard Engine: 3.0L I6
Standard Transmission: 6 Speed Manual
Cylinders: 6
Horsepower: @ RPM215@6250
Torque: @ RPM185@2750 (foot-lbs)
18/28 MPG
Cruising Range: 319 miles
Cargo Volume (MFR): 9.2 cu. ft.
Headroom (Front): 37.3
Legroom (Front): 42.0
Shoulder Room (Front): 52.5
Curb Weight MT: 3020lbs
0-60mph (not that it matters): 6.2
2008 Infiniti G37 coupe (top spec b4/opt.):
http://autos.yahoo.com/infiniti_g37_coupe_sport_6mt-specs/
Price: $36,200
Key Technical Specs:
Standard Engine: 3.7L V6
Standard Transmission: 6 Speed Manual
Cylinders: 6
Horsepower: @ RPM330@7000
Torque: @ RPM270@5200 (foot-lbs)
17/26 MPG
Cruising Range: 400 miles
Cargo Volume (MFR): 7.4 cu. ft.
Headroom (Front): 39.4
Legroom (Front): 43.8
Shoulder Room (Front): 53.7
Curb Weight MT: 3668lbs
0-60mph 5.5 (automatic--couldn't find the 6spd manual time)
Anyway, you be the judge. I think the Infiniti should win here. Yes it is ~600lbs heavier but it still handles quite well.
Thoughts?