The XF comes in three trims: Luxury, Premium Luxury and Supercharged. All models are powered by a 4.2-liter V8 engine paired with a six-speed automatic. Luxury and Premium Luxury models produce 300 horsepower, while the Supercharged model produces 420 horsepower. Safety features for all models include dual-stage front, seat-mounted side and side-impact curtain airbags, active head restraints, and tire pressure monitoring system. For 2009, Jaguar debuts the XF, which replaces the S-Type.