• Totally redesigned 2015 Mustang
  • 4-cylinder turbocharged EcoBoost engine option
  • 305 hp and at least 300 lb-ft torque

Ford will broaden the availability of its EcoBoost turbocharged engines when it offers a boosted 4-cylinder for the next-generation Mustang. The 2015 Ford Mustang arrives next year with three engine choices: a base 3.7-liter V6, a 420-horsepower V8 and the new 2.3-liter EcoBoost turbo, which Ford says will deliver 305 hp and at least 300 lb-ft torque.

The current, fifth-generation Mustang is available only with a V6 or V8 engine. According to Ford, the new EcoBoost 4-cylinder will be the most fuel-efficient of the three choices for the redesigned model. Official fuel economy ratings for the EcoBoost Mustang are not yet available but should top the ratings of 19 miles per gallon city and 31 mpg highway for the current model with the base V6.

Although smaller in displacement than both the V6 and V8, the EcoBoost 4-cylinder offers a middle ground between the two in terms of power and price. Its twin-scroll turbocharger is optimized for high output and efficiency and low emissions. Ford has taken care to strengthen the internal engine components to handle the added stress of turbocharging. Scott Makowski, Ford's EcoBoost powertrain engineering manager, says the 2.3-liter EcoBoost is small but brawny.

"This EcoBoost engine might be small in displacement, but it delivers where a Mustang driver expects it with a broad, flat torque curve and great driveability under any conditions," Makowski said.

Indeed, high torque output across the rev range is characteristic of turbocharged motors. For drivers, a flat torque curve translates to strong power delivery in both off-the-line acceleration and at highway speeds.

Just like the current model, the new 2015 Ford Mustang will be available with a choice of 6-speed manual or automatic transmissions, both of which include updates. The stick shift receives shorter throws and a shift lever positioned closer to the driver. The 6-speed automatic features steering-wheel-mounted paddle shifters and rev matching for downshifts.

Although the new 2015 Ford Mustang was revealed just last week, it's already garnering plenty of attention. The pony car is not Ford's best seller, but the model's rich, 50-year history makes it an icon of the automotive world.

What it means to you: Engine choices for the 2015 Ford Mustang will include not just the V6 and V8 options currently available but also a 4-cylinder EcoBoost turbo that will offer the best fuel economy in the lineup.

author photo

Nick Palermo is an automotive writer and lifelong car nut. He follows new and late-model used vehicles for AutoTrader.com, writes about vintage cars for Hemmings Classic Wheels and blogs on all things automotive at LivingVroom. He lives in Atlanta with his wife and twins.

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