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More power to the redesigned Mustang

The 2015 Mustang adds horsepower, heft.

DETROIT -- Ford Motor Co. last week finally answered the two questions Mustang fans have wondered about all year: weight and power.

Both are up.

The 2015 Mustang's curb weight has increased on four of the six models coming this fall. The new car is slightly larger than the outgoing model, and it has new equipment, such as independent rear suspension and more safety features. Weights for the coupe range from 3,524 pounds for a four-cylinder automatic to 3,729 pounds for the V-8 automatic. Convertible weights will be released later, but will follow the same pattern as the coupe.

Power is up for two of the three engines.

The base engine is a 300-hp 3.7-liter V-6 that loses 5 hp from the 2014 model. The optional 2.3-liter EcoBoost four-cylinder -- the first four in a Mustang in nearly 20 years -- is rated at 310 hp and 320 pounds-feet of torque. That output betters the numbers of the Mustang GT V-8 of a decade ago.

In 2005, the last time Ford rebuilt the Mustang, the 4.6-liter V-8 in the GT was rated at 300 hp and 320 pounds-feet of torque. The 2015 Mustang GT's 5.0-liter V-8 makes 435 hp -- 15 more than the 2014 model -- and 400 pounds-feet of torque.

Raj Nair, Ford's group vice president of global product development, said even though curb weights are up, the car's power-to-weight ratio remains better than the Chevrolet Camaro and Dodge Challenger, the Mustang's two chief rivals.

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