Fuel-efficient and more powerful powertrain lineup

Both the inline four-cylinder and V-6 engines are upgraded for both improved fuel economy and power. The standard Ford Fusion S model equipped with Ford's new 2.5-liter I-4 engine is expected to deliver at least a 6 mpg improvement versus the 2009 model on the highway, resulting in fuel economy that is at least 3 mpg better than the Honda Accord and 2 mpg better than the Toyota Camry.

The 2.5-liter I-4 engine horsepower and torque also have been improved from the car's outgoing 2.3-liter 4-cylinger engine, jumping to 175 hp and 172 ft.-lbs. of torque from the previous 160 hp and 156 ft-lbs. As a result, 0-60 performance improves by more than a second, now topping Camry and Accord.

The 2010 Fusion features an all six-speed transmission lineup, including for the new 2.5-liter I-4 engine, which is available with either a six-speed manual or automatic transmission. The previous 2.3-liter I-4 in the Ford Fusion was available with only five-speed transmissions.

The additional gear on the I-4 provides better drivability and performance as well as fuel savings, said Matt Hettenhouse, Powertrain Team Leader for the Ford Fusion. "The gear ratios and the overall span of the transmissions allow us to have a more-efficient and higher performing shift schedule," he said.

The first gear can be made a little deeper, which provides smoother acceleration. At the top end, a higher gear allows the engine to run slower in highway conditions, which also aids fuel economy.

Ford's proven Duratec30 3.0-liter V-6 engine was also improved on the 2010 model, delivering highway fuel economy gains of at least 1 mpg city and 2 mpg highway. Horsepower in the 3.0-liter V-6 also increased to 240 hp and 222 ft.,-lbs, up from 221 hp and 205 ft.-lbs. in the previous version. The 3.0-liter engine is now flex fuel-capable and can run on E-85 ethanol, which delivers even more horsepower - up to 250hp. For maximum performance, the Ford Fusion Sport features a 3.5-liter V6 that has 263 hp and 249 ft-lbs of torque on runs on standard unleaded fuel.

Front-wheel drive and on-demand all-wheel drive are available with models with a 3.0-liter engine and with the new Ford Fusion Sport 3.5-liter engine. Both V6 engines are also available with SelectShift for individual gear control. The versatility in the powertrain systems creates a wide range of options for customers designed to fit every need.

The 2010 Ford Fusion now comes equipped with Electric Power Assist Steering (EPAS) system on 2.5- and 3.0-liter models, improving the driving dynamics of the vehicle while delivering greater fuel savings because the steering system is operated by the electrical system rather than the engine. Additionally, EPAS provides customers with improved steering feel and reduced low-speed efforts that when coupled with a nearly 1 foot smaller turning circle for 2010 makes parking a cinch.

Fusion's front stay bar and rear suspension link geometry have been revised to improve steering, handling, and ride. The suspension springs, shocks, and sta-bars have also been retuned to take full advantage of the revised geometry and new steering system.

In addition to improvements in the 2010 Fusion's steering, handling and improved brake pedal feel, the Ford Fusion team also took a look at how to improve the comfort of the car, including reducing wind noise and road noise.

Acoustic windshield, thicker front door glass, new hood insulators, inner and outer dash absorbers, and carpet, revised sealing baffles, additional sound deadening in the trunk, and new interior headliner absorption material are among the improvements made for overall sound level and quality.

Improved body and door sealing also contribute to Fusion's best-in-class standing in wind noise. Overall, the reduction in wind noise and road noise puts Ford Fusion near some of the best luxury cars in terms of quietness and speech intelligibility. Wind noise, for example, is 3 sones better than Camry and Accord. Models with the I-4 engine are class leaders in wind noise.

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