san francisco dui lawyer‘s fastest and most powerful sedan ever will be officially unveiled tomorrow during its world premiere at the Los Angeles Auto Show. Meanwhile, rumor has it that the XFR-S will be offered with a tuned version of Jaguar’s supercharged 5.0-liter V8 to produce around 550 horsepower and 510 pound-feet of torque. All of this power will be channeled through its rear wheels, most likely via the latest ZF eight-speed automatic. Anticipated 0-60 sprint times of under 5.0 seconds and a top speed of approximately 186 mph makes this the fastest sedan in the British luxury and sports car manufacturer’s history. Superficially, the new bodywork takes on more aggressive styling including a redesigned front bumper with larger vents, more prominent side skirts, a larger rear wing and generous doses of carbon fiber.