I'd prefer the STI to the Shelby.
I like the feeling of acceleration, and AWD sticks better than RWD in most situations.
I like small cars (in genearl) and am also fond of hatches.
I do generally prefer two-doors, but the STI pulls it off well.
Stock turbos are generally easier to tune for power gains (intake/exhaust ~ up boost = instant power).
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On the other hand, RWD is a lot of fun. Also, dry-revving a V8 and having your chassis twist is pretty sexy
Unfortunately I just think that, in this case, the mustang suffers from underpower and overweight. Two things the Camaro hopefully won't. In addition, independant rear will be a huge advantage for the Camaro
I'm glad that the commentator added that drag radials would put the shelby equal to, or ahead of the STI.
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On a last note, I was unimpressed with the comparison of the STI, which is (if I'm not mistaken) a performance trim level, with the Shelby GT (not GT500), which is just an appearance trim level. The Mustang GT will run a lower pricetag and run the same engine... correct?
All aside, good comparison