The Comparative Analysis :
BMW 640i Gran Coupé xDrive Steptronic (15 - 18) vs. Porsche 911 Carrera Coupé (08 - 11)
€ 88,300
€ 85,500
€ 88,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 85,500
ⓘ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 57.2 cm longer, 8.6 cm wider and 8.2 cm taller than the Porsche 911 Carrera Coupé.
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé
1392
1894
2081
1310
1808
2008
1894 mm
Width
1808 mm
2081 mm
Width Incl. Mirrors
2008 mm
1392 mm
Height
1310 mm
2968
5007
2350
4435
5007 mm
Length
4435 mm
2968 mm
Wheelbase
2350 mm
Vehicle Weight
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé
1900 kg
Kerb Weight
1490 kg
2430 kg
Gross Vehicle
Weight
Weight
1820 kg
Weight Difference:
410 kg
21.58 %
General
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé
F06
Generation
997
Coupe
Car Body Style
Coupe
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Permanent all-wheel drive
Drive
Rear-wheel drive

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

4
Valves
4
6
Cylinders
6
2979 CC
Engine Capacity
3614 CC
316 bhp
at 5800 rpm
Power
340 bhp
at 6500 rpm
BMW 640i Gran Coupé
316 bhp
340 bhp
Porsche 911 Carrera Coupé
450 NM
at 1300 rpm
Max. Torque
390 NM
at 4400 rpm
BMW 640i Gran Coupé
450 NM
390 NM
Porsche 911 Carrera Coupé
Performance
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé
155 mph
Maximum Speed
180 mph
5.3 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
74 m
0.000 sec
BMW 640i Gran Coupé
62 mph
62
mph
mph
68 m
0.000 sec
Porsche 911 Carrera Coupé
▶ REPLAY
6.01 kg/bhp
Weight-to-Power Ratio
4.38 kg/bhp
BMW 640i Gran Coupé
6.01 kg/bhp
4.38 kg/bhp
Porsche 911 Carrera Coupé
Fuel Economy / Emissions
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé
Fuel Economy
35 mpg
combined
27 mpg
BMW 640i Gran Coupé
35 mpg
27 mpg
Porsche 911 Carrera Coupé
25 mpg
city
18 mpg
No data
motorway
39 mpg
70 L
Fuel Tank Capacity
64 L
537 mi
Range
386 mi
BMW 640i Gran Coupé
537 mi
386 mi
Porsche 911 Carrera Coupé
Environmental Impact
153.5 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).
195.2 kWh
BMW 640i Gran Coupé
153.5 kWh
195.2 kWh
Porsche 911 Carrera Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 5
188 g/km (NEFZ)
CO2 Emissions
242 g/km (NEFZ)
Practical Convenience
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé
4
Doors
2
5
No. of Seats
4
530 kg
Maximum Payload
330 kg
460 L
Boot Capacity
135 L






No data
Boot Capacity (Seats Down)
No data
















