The BMW TwinPower Turbo engines available for the BMW 6 Series Gran Coupe stand for sportiness with efficiency. The straight 6-cylinder petrol engine in the BMW 640i Gran Coupe delivers 235 kW/320 hp, and the straight 6-cylinder diesel in the BMW 640d Gran Coupe has a performance rating of 230 kW/313 hp. In the third quarter of 2012, a third engine will be added to the series, namely the V8 petrol engine in the BMW 650i Gran Coupe with 330 kW/450 hp, also available with BMW xDrive four-wheel drive technology. The new-generation BMW V8 engine features TwinPower Turbo technology using two turbochargers, plus direct High-Precision Injection and the fully variable VALVETRONIC valve control system.
The BMW 650i Gran Coupe, just like both 6-cylinder models, is equipped with an eight-speed Sport automatic transmission, the Auto Start Stop function and the Driving Experience button including ECO PRO Mode, and it accelerates from 0 to 100 km/h in just 4.6 seconds with an average fuel consumption ranging from 8.6 to 8.9 litres per 100 kilometres. The acceleration of the BMW 640i Gran Coupe is 5.4 seconds, and it has an average fuel consumption of 7.7 to 7.9 litres per 100 kilometres. The BMW 640d Gran Coupe can also sprint from 0 to 100 km/h in 5.4 seconds and fuel consumption ranges from 5.5 to 5.7 litres per 100 kilometres (figures according to the EU test cycle, depending on selected tyre format).
The remarkable ratio of driving pleasure and fuel consumption stems from the outstanding efficiency of the engines and the automatic transmission, not to mention the benefits delivered by BMW EfficientDynamics technology. In addition to the ECO PRO Mode and the Auto Start Stop function, other model-specific technical features contribute to efficiency, e.g., brake energy regeneration, electromechanical power steering, ancillary units that operate on demand, the detachable air conditioning compressor, intelligent use of lightweight materials, active air vent control as well as suspension control systems with on-demand hydraulic technology, to name just a few. The chassis of the BMW 6 Series Gran Coupe comprises a double-track control arm front axle and an integral rear axle along with electromechanical steering and Servotronic. Dynamic Damper Control and Adaptive Drive, including Dynamic Drive stability control, are available as optional equipment.
The BMW 6 Series Gran Coupe will be offered as three distinct models in the US. The TwinPower Turbo 6-cylinder BMW 640i Gran Coupe is the initial model and arrives in late June with an MSRP of $76,895. Later in the summer, the TwinPower Turbo V-8 BMW 650i Gran Coupe and the all-wheel drive BMW 650i xDrive Gran Coupe will join the range. These models will be priced at $87,395 and $90,395 respectively (all prices include $895 Handling and Destination).
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