The Comparative Analysis :
BMW 640i Coupé xDrive Steptronic (15 - 17) vs. Porsche 911 GT2 RS (10 - 12)
€ 85,300

€ 237,600

€ 85,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 237,600
ⓘ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 42.5 cm longer, 4.2 cm wider and 8.4 cm taller than the Porsche 911 GT2 RS.
BMW 640i Coupé
Porsche 911 GT2 RS
1369
1894
2081
1285
1852
2052
1894 mm
Width
1852 mm
2081 mm
Width Incl. Mirrors
2052 mm
1369 mm
Height
1285 mm
2855
4894
2350
4469
4894 mm
Length
4469 mm
2855 mm
Wheelbase
2350 mm
Vehicle Weight
BMW 640i Coupé
Porsche 911 GT2 RS
1840 kg
Kerb Weight
1445 kg
2265 kg
Gross Vehicle
Weight
Weight
1680 kg

Weight Difference:
395 kg
21.47 %

General
BMW 640i Coupé
Porsche 911 GT2 RS
F13
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 Coupé
Porsche 911 GT2 RS
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
3600 CC
316 bhp
at 5800 rpm
Power
612 bhp
at 6500 rpm
BMW 640i Coupé
316 bhp
612 bhp
Porsche 911 GT2 RS
450 NM
at 1300 rpm
Max. Torque
700 NM
at 2250 rpm
BMW 640i Coupé
450 NM
700 NM
Porsche 911 GT2 RS
Performance
BMW 640i Coupé
Porsche 911 GT2 RS
155 mph
Maximum Speed
205 mph
5.2 sec
Acceleration 0 to 62 mph
3.5 sec
62 mph
62
mph
mph
72 m
0.000 sec

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

Porsche 911 GT2 RS
▶ REPLAY
5.82 kg/bhp
Weight-to-Power Ratio
2.36 kg/bhp
BMW 640i Coupé
5.82 kg/bhp
2.36 kg/bhp
Porsche 911 GT2 RS
Fuel Economy / Emissions
BMW 640i Coupé
Porsche 911 GT2 RS
Fuel Economy
35 mpg
combined
24 mpg
BMW 640i Coupé
35 mpg
24 mpg
Porsche 911 GT2 RS
25 mpg
city
16 mpg
No data
motorway
33 mpg
70 L
Fuel Tank Capacity
90 L
544 mi
Range
470 mi
BMW 640i Coupé
544 mi
470 mi
Porsche 911 GT2 RS
Environmental Impact
151.6 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).
225.5 kWh
BMW 640i Coupé
151.6 kWh
225.5 kWh
Porsche 911 GT2 RS
Euro 6b (NEFZ)
Emission Standard
Euro 5
187 g/km (NEFZ)
CO2 Emissions
284 g/km (NEFZ)
Practical Convenience
BMW 640i Coupé
Porsche 911 GT2 RS
2
Doors
2
4
No. of Seats
4
425 kg
Maximum Payload
235 kg
460 L
Boot Capacity
105 L







No data
Boot Capacity (Seats Down)
No data