Honda Accord Hybrid

From Honda press: Since the Accord's launch as a compact hatchback car in 1976, it has earned widespread acclaim as a leader in smart design, superb quality and world-class efficiency. In its 28-year history, the Accord has constantly re-invented itself, going from that original compact hatchback to today's premium mid-sized sedan and coupe. The seventh-generation Accord V-6, released in 2003, once again raised the bar for performance, safety and value in the mid-sized segment with a highly efficient and powerful 3.0-liter, 240-horsepower, SOHC VTEC V-6 engine, 4-wheel disc brakes and a standard anti-lock braking system (ABS) on all models, along with standard features such as air conditioning, power windows, mirrors and door locks, and an AM/FM/CD stereo system. In addition, the 7th-generation Accord was one of the first mid-sized sedans to bring luxury features such as a voice-activated navigation system, XM satellite radio and side curtain airbags to the premium mid-size segment.
In 2005, the Accord further establishes its role as a technology, performance and efficiency leader with the introduction of the Accord Hybrid, the world's first V-6-powered gasoline-electric hybrid vehicle. Boasting the highest fuel efficiency for a V-6-powered automobile, Accord Hybrid utilizes the third generation of Honda's exclusive Integrated Motor Assist (IMA) hybrid system featuring new Variable Cylinder Management (VCM) technology. By combining a high-output V-6 engine and IMA with VCM, the Accord Hybrid Sedan provides even more power - 255 hp versus 240hp in the regular Accord V-6 Sedan - while improving fuel efficiency to an estimated 29 mpg city / 37 highway - better than virtually all 4-cylinder mid-sized sedans and similar to that of the compact class Civic Sedan, already a benchmark for fuel efficiency in the compact car class.
The Honda Accord Hybrid Sedan is designed to show that a hybrid powertrain can be an important component in the mainstream of America's automotive landscape that provides exceptional fuel economy while still improving power, performance and comfort.

Unlike previous hybrid vehicles from Honda and other manufacturers, though, the focus for the Honda Accord Hybrid is not entirely on high fuel efficiency, but also on high performance. The use of Honda's new Variable Cylinder Management (VCM) system that deactivates the three of V-6 engine's cylinders to save fuel during cruising and deceleration allow Honda engineers to maximize fuel economy while the hybrid IMA system helps to increase peak power by 15 hp and 20 lb.-ft. of torque over the current Accord EX V-6. The Accord Hybrid Sedan improves on the current Accord V-6's 0-60 mph time by half a second (7.5 sec. vs. 8.0 for an Accord EX V-6). In addition, peak torque of 232 lb.-ft @ 5000 rpm is now spread out over a much flatter curve, which makes 90 percent available at engine speeds less than 4000 rpm.

Hybrid powertrains were developed originally to enhance fuel efficiency, and the IMA system in the Accord Hybrid is no different in that regard, helping the V-6 sedan achieve an estimated 29 mpg city / 37 hwy. What sets this iteration of Honda's Integrated Motor Assist apart from previous systems is the fact that along with the increase in fuel efficiency comes a marked gain in horsepower, torque and performance - making the Accord Hybrid Sedan the industry's first high performance hybrid car, delivering the power of a high-performance V-6 engine with the fuel efficiency of a 4-cylinder car.

Along with excellent fuel efficiency, the combination of this Accord's 3.0L i-VTEC V-6 engine with Variable Cylinder Management and Honda's 3rd generation IMA system produces 255 horsepower (+6.3% over an Accord EX V-6) and 232 lb.-ft. of torque (+9.4%). Internal testing shows the IMA's motor assist helps the Accord Hybrid improve its 0-60 mph time to 7.5 seconds versus 8.0 seconds for Accord EX V-6 Sedan, with the powertrain producing torque in a constant, flat manner - 90 percent of peak torque (232 lb.-ft) available below 4000 rpm.

At the heart of the Accord's power plant is the same 3.0L V-6 engine as that in the Accord EX V-6, but with a few modifications to reduce space and weight and to allow for the installation of the IMA motor and new VCM system. This 60o V-6 engine is designed to require only minimal maintenance, including oil changes every 10,000 miles and its first scheduled tune-up at 105,000 miles.
Aluminum alloy block.

Like all Honda engines, the 3.0L i-VTEC engine used in the Accord Hybrid is built around a lightweight and durable aluminum alloy block that provides significant weight and long-term corrosion benefits over traditional iron blocks. The 6014 V-6 block incorporates extra brackets to allow the mounting of the VCM's magnesium composite head cover and the IMA motor.

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