The Comparative Analysis :
BMW 640i Coupé Steptronic (13 - 14) vs. Porsche 911 Carrera Coupé 4S PDK (12 - 15)
€ 75,300

€ 130,100

€ 75,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 130,100
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 640i Coupé is significantly bigger in every dimension. It's 40.3 cm longer, 4.2 cm wider and 7.3 cm taller than the Porsche 911 Carrera Coupé 4S.
BMW 640i Coupé
Porsche 911 Carrera Coupé 4S
1369
1894
2081
1296
1852
1978
1894 mm
Width
1852 mm
2081 mm
Width Incl. Mirrors
1978 mm
1369 mm
Height
1296 mm
2855
4894
2450
4491
4894 mm
Length
4491 mm
2855 mm
Wheelbase
2450 mm
Vehicle Weight
BMW 640i Coupé
Porsche 911 Carrera Coupé 4S
1735 kg
Kerb Weight
1540 kg
2180 kg
Gross Vehicle
Weight
Weight
1895 kg

Weight Difference:
195 kg
11.24 %

General
BMW 640i Coupé
Porsche 911 Carrera Coupé 4S
F13
Generation
991
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
7-speed dual clutch transmission
Engine
BMW 640i Coupé
Porsche 911 Carrera Coupé 4S
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
3800 CC
316 bhp
at 5800 rpm
Power
424 bhp
at 7500 rpm
BMW 640i Coupé
316 bhp
424 bhp
Porsche 911 Carrera Coupé 4S
450 NM
at 1300 rpm
Max. Torque
440 NM
at 5750 rpm
BMW 640i Coupé
450 NM
440 NM
Porsche 911 Carrera Coupé 4S
Performance
BMW 640i Coupé
Porsche 911 Carrera Coupé 4S
155 mph
Maximum Speed
187 mph
5.4 sec
Acceleration 0 to 62 mph
4.2 sec
62 mph
62
mph
mph
75 m
0.000 sec

BMW 640i Coupé
62 mph
62
mph
mph
58 m
0.000 sec

Porsche 911 Carrera Coupé 4S
▶ REPLAY
5.49 kg/bhp
Weight-to-Power Ratio
3.63 kg/bhp
BMW 640i Coupé
5.49 kg/bhp
3.63 kg/bhp
Porsche 911 Carrera Coupé 4S
Fuel Economy / Emissions
BMW 640i Coupé
Porsche 911 Carrera Coupé 4S
Fuel Economy
37 mpg
combined
31 mpg
BMW 640i Coupé
37 mpg
31 mpg
Porsche 911 Carrera Coupé 4S
27 mpg
city
22 mpg
No data
motorway
40 mpg
70 L
Fuel Tank Capacity
68 L
572 mi
Range
464 mi
BMW 640i Coupé
572 mi
464 mi
Porsche 911 Carrera Coupé 4S
Environmental Impact
144 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).
172.4 kWh
BMW 640i Coupé
144 kWh
172.4 kWh
Porsche 911 Carrera Coupé 4S
Euro 6b (NEFZ)
Emission Standard
Euro 5 / Euro 6
177 g/km (NEFZ)
CO2 Emissions
215 g/km (NEFZ)
Practical Convenience
BMW 640i Coupé
Porsche 911 Carrera Coupé 4S
2
Doors
2
4
No. of Seats
4
445 kg
Maximum Payload
355 kg
460 L
Boot Capacity
125 L






No data
Boot Capacity (Seats Down)
No data