We’ve known for a while that the redesigned 2013 Lexus GS is headed for dealer lots in early 2012, and now Lexus has pulled the wraps off of its hybrid-sibling, which debuted at the Frankfurt Motor Show.
Lexus says in a press release that the 2013 GS 450h features a 338-horsepower hybrid drivetrain that will allow it to accelerate from zero to 60 mph in 5.6 seconds, all while improving fuel consumption by more than 30 percent. “The heart of the rear-drive Lexus GS 450h is a 3.5-liter V6 engine that runs on the Atkinson cycle for more efficiency,” writes Autoweek. “In the Atkinson cycle, the intake valves close later than normal, reducing the compression ratio and minimizing intake and exhaust energy losses.”
Interestingly, the revamped GS hybrid has two horsepower less than the 2011 model, while its main hybrid rival, the Infiniti M35h, has 22 additional horsepower. However, the fuel economy boost may help the new GS 450h. The current model’s EPA-estimated 22/25 mpg city/highway fuel economy is significantly less than the Infiniti’s 27/32 mpg city/highway estimates.
In addition to a revised powertrain, the 2013 GS 450h also receives numerous updates to improve handling. “Toyota has re-engineered the chassis of the Lexus GS 450h, improving the car's driving dynamics through such advanced technologies as Active Variable Suspension (AVS) and Dynamic Rear Steering (DRS),” says Edmunds. “Other cutting-edge systems available on the GS 450h include the Lexus Dynamic Handling System, which integrates AVS, DRS, variable gear-ratio steering and the latest iteration of the company's Vehicle Dynamics Integrated Management.”
Pricing and release date of the 2013 Lexus GS 450h have yet to be announced.
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