For 2009, the 4-door, 5-passenger Jaguar XJ8 and XJ8 L are enhanced with new standard features, such as 19-inch wheels, a navigation system, an Alpine premium sound system and front parking sensors. Among the options in 2009 are heated/cooled seats and heated steering wheel. The 2009 Jaguar XJ comes equipped with a 4.2L V8 and six-speed automatic transmission. All but the XJR and Super V8 employ engines with 300 hp and 310 lb-ft of torque and get 16 mpg city/25 mpg hwy and 19 mpg combined. The XJR and Super V8 supercharger boosts output to 400 hp and 413 lb-ft of torque, but lowers fuel economy to 15 city/22 hwy and 18 combined. The Jaguar XJ Super V8 Portfolio, limited to 140 units for the US, features premium 20-inch wheels, oak veneer/aluminum interior trim, stitched leather door covering and exclusive "celestial black" or "astral gold" colors. Standard safety features include antilock brakes, stability control, front-seat side airbags and full-length side curtain airbags. The XJ features an "Adaptive Restraint Technology System" to deploy the various airbags.