Both the long- and short-wheelbase LS sedans will receive the option, which makes the LS the fourth Lexus sedan to offer all-wheel drive. Both versions also are powered by the 357-horsepower V-8 that powers current rear-drive versions. With it and the standard eight-speed automatic transmission, Lexus predicts a 0-60 mph time of 5.9 seconds.
The all-wheel-drive system in the LS sedans, as in the hybrids, uses a Torsen limited-slip differential to distribute torque to the front and rear wheels. It's set at a 40:60 power split, but can vary from 30:70 to 50:50 depending on traction needs.
Air suspension, variable steering, and an adaptive suspension will be standard on AWD models. They'll also come with 18-inch wheels, a leather-and-wood steering wheel that's also heated, and a power rear sunshade. The on-sale date is October.
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