The Comparative Analysis :
BMW 640i Gran Coupé Automatic (12 - 13) vs. Porsche 911 Turbo Coupé (09 - 13)
€ 79,900

€ 150,200

€ 79,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 150,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 640i Gran Coupé is significantly bigger in every dimension. It's 55.7 cm longer, 4.2 cm wider and 9.2 cm taller than the Porsche 911 Turbo Coupé.
BMW 640i Gran Coupé
Porsche 911 Turbo Coupé
1392
1894
2081
1300
1852
2052
1894 mm
Width
1852 mm
2081 mm
Width Incl. Mirrors
2052 mm
1392 mm
Height
1300 mm
2968
5007
2350
4450
5007 mm
Length
4450 mm
2968 mm
Wheelbase
2350 mm
Vehicle Weight
BMW 640i Gran Coupé
Porsche 911 Turbo Coupé
1825 kg
Kerb Weight
1645 kg
2360 kg
Gross Vehicle
Weight
Weight
1935 kg

Weight Difference:
180 kg
9.86 %

General
BMW 640i Gran Coupé
Porsche 911 Turbo Coupé
F06
Generation
997
Coupe
Car Body Style
Coupe
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Rear-wheel drive
Drive
Permanent all-wheel drive

8-speed automatic transmission
Transmission
6-speed manual transmission
Engine
BMW 640i Gran Coupé
Porsche 911 Turbo Coupé
Straight-six petrol engine with turbocharger
Engine Type
6-cylinder boxer petrol engine with two turbochargers (biturbo)
BMW N55
Engine Series
N55-B30
Engine Code

4
Valves
4
6
Cylinders
6
2979 CC
Engine Capacity
3800 CC
316 bhp
at 5800 rpm
Power
493 bhp
at 6000 rpm
BMW 640i Gran Coupé
316 bhp
493 bhp
Porsche 911 Turbo Coupé
450 NM
at 1300 rpm
Max. Torque
650 NM
at 1950 rpm
BMW 640i Gran Coupé
450 NM
650 NM
Porsche 911 Turbo Coupé
Performance
BMW 640i Gran Coupé
Porsche 911 Turbo Coupé
155 mph
Maximum Speed
194 mph
5.4 sec
Acceleration 0 to 62 mph
3.7 sec
62 mph
62
mph
mph
75 m
0.000 sec

BMW 640i Gran Coupé
62 mph
62
mph
mph
51 m
0.000 sec

Porsche 911 Turbo Coupé
▶ REPLAY
5.78 kg/bhp
Weight-to-Power Ratio
3.34 kg/bhp
BMW 640i Gran Coupé
5.78 kg/bhp
3.34 kg/bhp
Porsche 911 Turbo Coupé
Fuel Economy / Emissions
BMW 640i Gran Coupé
Porsche 911 Turbo Coupé
Fuel Economy
36 mpg
combined
24 mpg
BMW 640i Gran Coupé
36 mpg
24 mpg
Porsche 911 Turbo Coupé
27 mpg
city
16 mpg
No data
motorway
34 mpg
70 L
Fuel Tank Capacity
67 L
557 mi
Range
359 mi
BMW 640i Gran Coupé
557 mi
359 mi
Porsche 911 Turbo Coupé
Environmental Impact
147.7 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
219.8 kWh
BMW 640i Gran Coupé
147.7 kWh
219.8 kWh
Porsche 911 Turbo Coupé
Euro 5
Emission Standard
Euro 5
181 g/km (NEFZ)
CO2 Emissions
272 g/km (NEFZ)
Practical Convenience
BMW 640i Gran Coupé
Porsche 911 Turbo Coupé
4
Doors
2
5
No. of Seats
4
535 kg
Maximum Payload
290 kg
460 L
Boot Capacity
105 L







No data
Boot Capacity (Seats Down)
No data