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Hyundai today introduced its all-new 2011 Sonata at the Los Angeles Auto Show. This marks the North American debut of the latest version of the popular midsize sedan, introducing Hyundai’s “Fluidic Sculpture” design language and an all four-cylinder engine lineup to the U.S. market.

Sonata is the second vehicle in Hyundai’s 24/7 version 2.0 product initiative (seven new models in the next 24 months) following on the heels of the all-new Tucson. Production of Sonata will begin later this month at Hyundai’s U.S. plant in Alabama with retail sales beginning in January.

The 2011 Sonata represents a modern approach to the traditional midsize sedan segment by using only advanced four-cylinder engines, emotional design and luxury features offered with Hyundai’s strong value proposition.

Beginning with the 2011 Sonata and 2010 Tucson projects, Hyundai designers set to work about three and half years ago on Fluidic Sculpture. Fluidic Sculpture is a consistent, cohesive design language that will ripple through the entire Hyundai showroom. In developing the initial Sonata sketches, Hyundai designers considered the interplay of natural, fluid elements with more rigid surfaces and structures to create the illusion of constant motion. Inspired by nature, Fluidic Sculpture injects sophistication and dynamic angles into the shape of a vehicle and now serves as the core of Hyundai’s future design identity.

The exterior of the all-new Sonata is long, light and low. The high beltline allows for a long, sleek roofline accented by the third window. A monoform side profile includes flowing lines highlighted by a Hyundai signature chrome accent that spans the length of the car. Normally, this type of trim is only found around the windows. On the new Sonata, this trim extends out from the headlamps, juts up along the hood and through the beltline. The face is bold with a large powerful chrome grille and headlamps that integrate precise details. The stance is completed by 16-, 17- or 18-inch multi-spoke wheels.

The sophisticated look continues inside where Hyundai has created an upscale ambiance thanks to a flow-through center console and instrument panel. These flowing surfaces complement the exterior design and wrap around the driver and passengers.

The new Sonata will launch with Hyundai’s new Theta II GDI 2.4-liter four-cylinder engine with a Gasoline Direct-Injection (GDI) fuel delivery system, which contributes to improved fuel efficiency and lower emissions. Sonata is the first midsize sedan to adopt GDI technology as standard equipment in a naturally aspirated powertain. This shorter, more direct path of fuel delivery, allows for greater control of the fuel mixture at the optimum moment, thus improving efficiency. The fuel is injected by a camshaft-driven, high pressure pump that operates at pressures up to 2,175 psi. Direct injection also utilizes a higher than normal 11.3:1 compression ratio for increased power. The pistons are “dished” to increase combustion efficiency in the cylinder. This powerplant will deliver best-in-class fuel economy, best-in-class four-cylinder horsepower and best-in-class torque.

Sonata delivers an impressive 22 mpg city/35 mpg highway fuel economy rating with the available six-speed automatic transmission with SHIFTRONIC®. (When equipped with the six-speed manual, the Sonata achieves 24 mpg city/35 mpg highway fuel economy rating). The preliminary horsepower and torque ratings for the Theta II GDI are 198 horsepower and 184 lb.-ft. of torque. In the SE trim which includes a standard dual exhaust, the engine delivers 200 horsepower. This high-tech, all-aluminum, 16-valve engine features Dual Continuously Variable Valve Timing (DCVVT) and a Variable Induction System (VIS) for better engine breathing. A version of this engine also meets Partial Zero Emission Vehicle (PZEV) standards.

Theta II turbocharged GDI four-cylinder engine and a 2.4-liter Hybrid Blue Drive model featuring Hyundai’s breakthrough lithium polymer battery pack. Details about these powertrains will be announced at the 2010 New York Auto Show. Sonata’s innovative segment first powertrain lineup is a key driver of Hyundai’s goal to be the most fuel-efficient automaker on the planet.

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