Ford Mustang: Sports Car That Sips
The 2011 Ford Mustang today breaks new ground, cracking the record books as not only the most fuel-efficient Mustang ever, but also the first production car in history to produce more than 300 horsepower and more than 30 mpg highway.
The Mustang’s official EPA (Environmental Protection Agency) ratings – completed this week – certify that coupe models equipped with the 305-hp 3.7-liter V-6 and available six-speed automatic transmission achieve 31 mpg (13 km/l) on the highway and 19 mpg (8 km/l) in the city. The standard six-speed manual transmission is rated at 29 mpg (12 km/l) on the highway and 19 mpg in the city.
Mustang is powered by a lightweight, all-aluminum 3.7-liter dual-overhead-cam (DOHC) V-6 engine that uses advanced engineering to deliver its combination of power and economy. Twin Independent Variable Camshaft Timing (Ti-VCT) adjusts the valvetrain in microseconds depending on driver inputs, further contributing to the engine’s overall efficiency.
The fact that Mustang achieves its top fuel economy rating with the convenience of an automatic transmission also marks a shift in conventional wisdom. Ford engineered a modern six-speed automatic transmission with carefully calibrated gear ratios and shift programs to maximize economy, while still delivering high-horsepower driving fun. In addition to engine improvements, upgrades to Mustang’s body, powertrain and chassis design contribute to the higher fuel economy numbers for 2011.
Credits: wilswong
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