The BMW 8-Series is available in different trim levels 840i, M850i xDrive, both in coupe or convertible versions, and the M8. The base model comes equipped with a 3L intercooled turbo 6-cylinder engine making 335HP and the higher trim gets a 4.4L twin-turbocharged V8 engine making 523 hp. That power is sent to rear wheel or all-four wheels via an 8-speed automatic gearbox, the M850 is only available in all-wheel drive. The result is startling and immediate acceleration when called upon. BMW is conservatively claiming a 0-60 time of 4.4 seconds on the M850, putting the car in the same league as many supercars when it comes to acceleration and performance. And of course, with all-wheel drive, acceleration comes in all weather conditions, pleasant or otherwise. At the base leave you get features such as 18-inch wheels, soft-close doors, 14-way heated power seats, and high end materials in the interior. The M850 has a bevy of standard features. Included are 20-inch wheels, power-folding, heated side mirrors, 20-way powered multifunction front seats, Marino leather upholstery with Nappa leather finish around the dashboard, and an anthracite headliner. The stereo is a 600-watt Harman Kardon surround sound system with 16-speakers including two subwoofers. SiriusXM radio is included for a year as is HD radio with multicast FM station reception. The infotainment system is also top notch, featuring a 10.25" central information display that can be operated by BMW's iDrive system, via the touchscreen, or simply by voice commands. A heads up display is also standard along with two USB ports, 20GB of media storage and a navigation system. Other electronic goodies include dynamic cruise control, a rearview camera, a power operated trunk lid, automatic climate control, up to 11 predefined selectable interior light designs, rain-sensing wipers, 3-stage heated front seats, a wireless phone charger, a built in wi-fi hotspot and soft-close automatic door operation.