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► 2015 Dodge Charger R/T

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For the muscle-car enthusiast, the 2015 Dodge Charger R/T featuring the legendary 5.7-liter HEMI V-8 engine with 370 horsepower (276 kW) and 395 lb.-ft. of torque (536 Nm), now combines the engine's four-cylinder mode Fuel Saver Technology with three additional gears from the new TorqueFlite eight-speed automatic transmission for maximum performance and efficiency.

For even more responsiveness, the 2015 Dodge Charger R/T Road & Track model features a unique 3.07 rear axle ratio (versus the standard 2.62 rear axle ratio) and a high-speed engine controller with unique engine and transmission calibrations. In addition, the 2015 Dodge Charger R/T model lineup's Fuel Saver Technology seamlessly alternates between smooth, high-fuel-economy four-cylinder mode when less power is needed and V-8 mode when more power is in demand.

The 5.7-liter HEMI V-8 engine also features variable-cam timing (VCT) to improve fuel economy in two ways. First, it reduces the engine's pumping work by closing the intake valve later. Second, it increases the expansion process of the combustion event. This allows more work to be transferred to the wheels instead of being lost out of the exhaust port as heat. VCT improves engine breathing, which improves engine efficiency and power.

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Category
자동차 - Car
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