Jaguar today introduced the new Jaguar XKR which builds off of the successful XK that was launched in late 2005. The Jaguar XKR sports a supercharged 4.2 liter V8 engine that pushes 420 horsepower and offers six speed automatic transmission that gives it the ability to be a performance vehicle for everyday use. The Jaguar XKR does 0-60 in 4.9 seconds and has a top speed of 115mph. Gadgets in the Jaguar XKR include keyless entry, keyless engine start, touchscreen navigation and active front lighting.