The 2008 Jaguar XKR Portfolio is a new top-end option package for this lineup of premium sporty cars. XK seats four, has V8 power, and comes as a 2-door hatchback coupe or a convertible with a power-folding soft top. All models have a 4.2-liter V8 engine. Base versions have 300 hp. The XKR is supercharged and has 420 hp. A 6-speed automatic is the sole transmission. Available safety features include ABS, traction control, antiskid system, and front side airbags that provide head and torso protection. All models have a navigation system, wireless cell phone link, and keyless entry and starting. XKRs have a sport suspension. The XKR Portfolio is an option package that includes unique trim and high-performance brakes.