BMW’s 6 Series line-up has just gained a third member – the 6 Series Grand Coupe which is basically a four-door coupe aimed at competitors such as the Mercedes CLS and the Audi A7.
Inspired from the Gran Coupe Concept unveiled at the China Auto Show back in 2010, this new addition to the range combines "sporty driving pleasure, elegant design, exclusive interior ambience, travel comfort and practicality" in a package that measures 5,007 mm in length, 1,894 mm in width and 2,968 mm in height.
The BMW 6 Series Gran Coupe’s boot has a capacity of 460 litres (1,265 litres with the rear seats folded) and in terms of design the car comes with the the typical 6-Series twin round headlights with three-dimensional light rings, optional adaptive LED headlights, a coupe-style roof line as well as L shape LED taillights and the ‘Gran Coupe’ lettering on the C-pillar.
The BMW 6 Series Gran Coupe has also been designed to integrate a third braking light above the rear window while at the in interior the main differences from the Coupe and Convertible versions are the slightly higher seating position, the ‘comfort-oriented’ rear seat backreast angle and the new range of materials that have been used.
The engines available on the the BMW 6 Series Gran Coupe will include a 320 hp (235 kW) 3.0-litre six-cylinder in-line petrol for the 640i, a 313 HP (230 kW) 3.0-litre turbo diesel for the 640d and a 4.4-litre turbo V8 petrol rated at 450 HP (330 kW) for the 650i. All these power-plants will come linked to an 8-speed automatic transmission as standard.
In the USA the order books the new 6 Series Gran Coupe will open in mid-2012 however the diesel version will not be available on this market.
Engine Specifications :
BMW 650i Gran Coupe (BMW 650i xDrive Gran Coupe)
V8 petrol engine, BMW TwinPower Turbo technology with
two turbochargers and High Precision Direct Petrol Injection,
Displacement: 4,395 cc, output:
330 kW/450 hp at
5,500 – 6 000 rpm,
max. torque:
650 Nm / 479 lb-ft at 2,000 – 4,500 rpm.

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Acceleration [0 – 100 km/h / 62 mph]:
4.6 seconds (4.5 seconds),
top speed: 250 km/h /155
Average fuel consumption*: 8.6 – 8.8
(9.2 – 9.4) litres per 100 kilometres / 32.1 –
32.9 (30.1 – 30.7) mpg imp,
CO2 emissions*:
199 – 206 g/km
(215 – 219 g/km), exhaust standard: EU5.
BMW 640i Gran Coupe: Six-cylinder in-line petrol
BMW TwinPower Turbo technology with twin-scroll
High Precision Direct Petrol Injection and
Displacement: 2,979 cc, output:
235 kW/320 hp at 5,800 – 6 000 rpm,

max. torque: 450 Nm (332 lb-ft) at 1,300 –
4,500 rpm.
Acceleration [0 – 100 km/h / 62
mph]: 5.4 seconds,
top speed: 250 km/h (155 mph).

Average fuel consumption*: 7.7 – 7.9 litres
per 100 kilometres (35.8 –
36.2 mpg imp),
emissions*: 179 – 183 g/km, exhaust standard: EU5.
BMW 640d Gran Coupe: Six-cylinder in-line diesel
BMW TwinPower Turbo technology with two-stage
turbocharging and common-rail direct injection.
2,993 cc, output: 230 kW/313 hp at 4,400 rpm,

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max. torque: 630 Nm (465 lb-ft) at 1,500 –
2,500 rpm.
Acceleration [0 – 100 km/h / 62
mph]: 5.4 seconds,
top speed: 250 km/h (155 mph),

Average fuel consumption*: 5.5 – 5.7 litres
per 100 kilometres (49.6 –
50.4 mpg imp),
emissions*: 146 – 149 g/km, exhaust standard:

Source: BMW