The Comparative Analysis :
Porsche 911 GT3 RS 4.0 (11 - 12) vs. BMW 640i Gran Coupé Steptronic (13 - 14)
€ 178,600

€ 79,900

€ 178,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 79,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Porsche 911 GT3 RS 4.0 is significantly smaller in every dimension. It's 54.7 cm shorter, 4.2 cm narrower and 11.2 cm lower than the BMW 640i Gran Coupé.
Porsche 911 GT3 RS 4.0
BMW 640i Gran Coupé
1280
1852
2052
1392
1894
2081
1852 mm
Width
1894 mm
2052 mm
Width Incl. Mirrors
2081 mm
1280 mm
Height
1392 mm
2355
4460
2968
5007
4460 mm
Length
5007 mm
2355 mm
Wheelbase
2968 mm
Vehicle Weight
Porsche 911 GT3 RS 4.0
BMW 640i Gran Coupé
1435 kg
Kerb Weight
1825 kg
1680 kg
Gross Vehicle
Weight
Weight
2360 kg

Weight Difference:
390 kg
21.37 %

General
Porsche 911 GT3 RS 4.0
BMW 640i Gran Coupé
997
Generation
F06
Coupe
Car Body Style
Coupe
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Rear-wheel drive
Drive
Rear-wheel drive

6-speed manual transmission
Transmission
8-speed automatic transmission
Engine
Porsche 911 GT3 RS 4.0
BMW 640i Gran Coupé
6-cylinder boxer petrol engine (naturally aspirated engine)
Engine Type
Straight-six petrol engine with turbocharger
Engine Series
BMW N55
Engine Code
N55-B30

4
Valves
4
6
Cylinders
6
3996 CC
Engine Capacity
2979 CC
493 bhp
at 8250 rpm
Power
316 bhp
at 5800 rpm
Porsche 911 GT3 RS 4.0
493 bhp
316 bhp
BMW 640i Gran Coupé
460 NM
at 5750 rpm
Max. Torque
450 NM
at 1300 rpm
Porsche 911 GT3 RS 4.0
460 NM
450 NM
BMW 640i Gran Coupé
Performance
Porsche 911 GT3 RS 4.0
BMW 640i Gran Coupé
193 mph
Maximum Speed
155 mph
3.9 sec
Acceleration 0 to 62 mph
5.4 sec
62 mph
62
mph
mph
54 m
0.000 sec

Porsche 911 GT3 RS 4.0
62 mph
62
mph
mph
75 m
0.000 sec

BMW 640i Gran Coupé
▶ REPLAY
2.91 kg/bhp
Weight-to-Power Ratio
5.78 kg/bhp
Porsche 911 GT3 RS 4.0
2.91 kg/bhp
5.78 kg/bhp
BMW 640i Gran Coupé
Fuel Economy / Emissions
Porsche 911 GT3 RS 4.0
BMW 640i Gran Coupé
Fuel Economy
20 mpg
combined
36 mpg
Porsche 911 GT3 RS 4.0
20 mpg
36 mpg
BMW 640i Gran Coupé
14 mpg
city
26 mpg
29 mpg
motorway
No data
67 L
Fuel Tank Capacity
70 L
302 mi
Range
557 mi
Porsche 911 GT3 RS 4.0
302 mi
557 mi
BMW 640i Gran Coupé
Environmental Impact
261.5 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).
147.7 kWh
Porsche 911 GT3 RS 4.0
261.5 kWh
147.7 kWh
BMW 640i Gran Coupé
Euro 5
Emission Standard
Euro 6b (NEFZ)
326 g/km (NEFZ)
CO2 Emissions
181 g/km (NEFZ)
Practical Convenience
Porsche 911 GT3 RS 4.0
BMW 640i Gran Coupé
2
Doors
4
4
No. of Seats
5
245 kg
Maximum Payload
535 kg
105 L
Boot Capacity
460 L







No data
Boot Capacity (Seats Down)
No data