2010 Roush Mustang 427R

Andrew Trahan

On the common sense scale, tuner cars fall somewhere between homemade concoctions and factory-engineered products. Where, exactly, depends on the tuner. Jack Roush's organization knows what it's doing and JR's name is gradually superseding Carroll Shelby in terms of prestige and recognition.

The 427R offers a host of upgrades over a standard Mustang GT. The exhaust rumble, acceleration, shift quickness, and exterior appearance are all delightful. The vent-mounted boost gauge is a clever touch. While I had no opportunity to enjoy limit handling, the suspension felt properly calibrated and not excessively harsh over Michigan bumps. I experience some disappointment in two areas. The seats have an attractive appearance but are deficient in lateral support, especially considering their extra cost. The brakes felt woefully out of synch with the speed and power available here; the rears are clearly too small for the job. While investing about $50K in the factory's Shelby GT500 makes more sense than $55,218 for the Roushmobile if long-term used value is considered, I'm happy that this tuner alternative exists for those lacking the patience or expertise to roll their own special Mustang.

Don Sherman, Technical Editor

New Car Research

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