The Comparative Analysis :
BMW 640i Gran Coupé xDrive Automatic (13 - 13) vs. Porsche 911 GT3 RS (10 - 11)
€ 83,300

€ 150,200

€ 83,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 150,200
ⓘ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 54.7 cm longer, 4.2 cm wider and 11.2 cm taller than the Porsche 911 GT3 RS.
BMW 640i Gran Coupé
Porsche 911 GT3 RS
1392
1894
2081
1280
1852
2052
1894 mm
Width
1852 mm
2081 mm
Width Incl. Mirrors
2052 mm
1392 mm
Height
1280 mm
2968
5007
2355
4460
5007 mm
Length
4460 mm
2968 mm
Wheelbase
2355 mm
Vehicle Weight
BMW 640i Gran Coupé
Porsche 911 GT3 RS
1900 kg
Kerb Weight
1445 kg
2430 kg
Gross Vehicle
Weight
Weight
1680 kg

Weight Difference:
455 kg
23.95 %

General
BMW 640i Gran Coupé
Porsche 911 GT3 RS
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 GT3 RS
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
3797 CC
316 bhp
at 5800 rpm
Power
444 bhp
at 7900 rpm
BMW 640i Gran Coupé
316 bhp
444 bhp
Porsche 911 GT3 RS
450 NM
at 1300 rpm
Max. Torque
430 NM
at 6750 rpm
BMW 640i Gran Coupé
450 NM
430 NM
Porsche 911 GT3 RS
Performance
BMW 640i Gran Coupé
Porsche 911 GT3 RS
155 mph
Maximum Speed
193 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 GT3 RS
▶ REPLAY
6.01 kg/bhp
Weight-to-Power Ratio
3.25 kg/bhp
BMW 640i Gran Coupé
6.01 kg/bhp
3.25 kg/bhp
Porsche 911 GT3 RS
Fuel Economy / Emissions
BMW 640i Gran Coupé
Porsche 911 GT3 RS
Fuel Economy
35 mpg
combined
21 mpg
BMW 640i Gran Coupé
35 mpg
21 mpg
Porsche 911 GT3 RS
25 mpg
city
15 mpg
No data
motorway
29 mpg
70 L
Fuel Tank Capacity
67 L
537 mi
Range
316 mi
BMW 640i Gran Coupé
537 mi
316 mi
Porsche 911 GT3 RS
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).
250.1 kWh
BMW 640i Gran Coupé
153.5 kWh
250.1 kWh
Porsche 911 GT3 RS
Euro 5
Emission Standard
Euro 5
189 g/km (NEFZ)
CO2 Emissions
314 g/km (NEFZ)
Practical Convenience
BMW 640i Gran Coupé
Porsche 911 GT3 RS
4
Doors
2
5
No. of Seats
4
530 kg
Maximum Payload
235 kg
460 L
Boot Capacity
105 L







No data
Boot Capacity (Seats Down)
No data