Subaru wrx sti vs BMW M3 who wins?


2009 bmw m3: 414 hp, 295 lb-ft torque, 4.0 l v8, 3648 pounds
2006 subaru wrx sti: 300 hp, 300 lb-ft torque, 2.5 l h4, 3307 pounds

math:
bmw - 8.81 pounds per hp
subaru - 11.02 pounds per hp

both cars running 6 speed manual transmissions, , considering subie's wheel drive positive dead stop, subaru can't in short "drag." after all, bmw has on third more horsepower. notice however, subaru (just) wins torque battle against larger bmw v8 engine. why bmw have little "twist?" drag closer weight / power numbers make look.

on twisty track, things change. half mile isn't on road course; let's consider 2.25 miles -- 'half track' @ mmp, run car (full course 4.5 miles, two-thirds mile front straight). we're talking 12 corners, of them real tight. heavier, higher center of gravity bmw going wallow through these compared flat engine subaru. i'm not sure how long on course take, lighter, nimbler subaru boulevard cruiser bmw.

let's consider top gear track, elongated figure eight, 4 big straights ( http://en.wikipedia.org/wiki/top_gear_te... . see subaru wrx sti listed here @ 1:28.2, besides 1 @ on 1:30 (the bmw - sti difference less 3 seconds.) course geared power, straights. difference between particular bmw / driver / tires / day tested , particular sti / driver / tires / day big deal -- big track configuration.

here mmp course: http://en.wikipedia.org/wiki/miller_moto... . note tight cut-offs (in grey) @ bottom of course define "east" , "west" half courses. fewer straights , more transitions left right-hand turns make more of driver's course.

2006 sti vs 2009 bmw m3 in half mile strait away drag race win?
half mile around track?


Cars & Transportation Car Makes Subaru Next



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