The Comparative Analysis :
BMW 640i Gran Coupé xDrive Steptronic (15 - 18) vs. Porsche 911 Carrera Coupé GTS PDK (14 - 15)
€ 88,300

€ 121,700

€ 88,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 121,700
ⓘ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 49.8 cm longer, 4.2 cm wider and 9.7 cm taller than the Porsche 911 Carrera Coupé GTS.
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé GTS
1392
1894
2081
1295
1852
1978
1894 mm
Width
1852 mm
2081 mm
Width Incl. Mirrors
1978 mm
1392 mm
Height
1295 mm
2968
5007
2450
4509
5007 mm
Length
4509 mm
2968 mm
Wheelbase
2450 mm
Vehicle Weight
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé GTS
1900 kg
Kerb Weight
1520 kg
2430 kg
Gross Vehicle
Weight
Weight
1870 kg

Weight Difference:
380 kg
20 %

General
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé GTS
F06
Generation
991
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
7-speed dual clutch transmission
Engine
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé GTS
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 Gran Coupé
316 bhp
424 bhp
Porsche 911 Carrera Coupé GTS
450 NM
at 1300 rpm
Max. Torque
440 NM
at 5750 rpm
BMW 640i Gran Coupé
450 NM
440 NM
Porsche 911 Carrera Coupé GTS
Performance
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé GTS
155 mph
Maximum Speed
189 mph
5.3 sec
Acceleration 0 to 62 mph
4 sec
62 mph
62
mph
mph
74 m
0.000 sec

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

Porsche 911 Carrera Coupé GTS
▶ REPLAY
6.01 kg/bhp
Weight-to-Power Ratio
3.58 kg/bhp
BMW 640i Gran Coupé
6.01 kg/bhp
3.58 kg/bhp
Porsche 911 Carrera Coupé GTS
Fuel Economy / Emissions
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé GTS
Fuel Economy
35 mpg
combined
32 mpg
BMW 640i Gran Coupé
35 mpg
32 mpg
Porsche 911 Carrera Coupé GTS
25 mpg
city
23 mpg
No data
motorway
42 mpg
70 L
Fuel Tank Capacity
64 L
537 mi
Range
457 mi
BMW 640i Gran Coupé
537 mi
457 mi
Porsche 911 Carrera Coupé GTS
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).
164.8 kWh
BMW 640i Gran Coupé
153.5 kWh
164.8 kWh
Porsche 911 Carrera Coupé GTS
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
188 g/km (NEFZ)
CO2 Emissions
202 g/km (NEFZ)
Practical Convenience
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé GTS
4
Doors
2
5
No. of Seats
4
530 kg
Maximum Payload
350 kg
460 L
Boot Capacity
125 L






No data
Boot Capacity (Seats Down)
No data