The Comparative Analysis :
BMW 640i Gran Coupé Automatic (12 - 13) vs. Porsche 911 GT3 RS (10 - 11)
€ 79,900

€ 150,200

€ 79,900
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 21.5 inches longer, 1.7 inches wider and 4.4 inches taller than the Porsche 911 GT3 RS.
BMW 640i Gran Coupé
Porsche 911 GT3 RS
54.8
74.6
81.9
50.4
72.9
80.8
74.6 in
Width
72.9 in
81.9 in
Width Incl. Mirrors
80.8 in
54.8 in
Height
50.4 in
116.9
197.1
92.7
175.6
197.1 in
Length
175.6 in
116.9 in
Wheelbase
92.7 in
Vehicle Weight
BMW 640i Gran Coupé
Porsche 911 GT3 RS
4023 lb
Curb Weight
3186 lb
5203 lb
Gross Vehicle
Weight
Weight
3704 lb

Weight Difference:
838 lb
20.83 %

General
BMW 640i Gran Coupé
Porsche 911 GT3 RS
F06
Generation
997
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

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

4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3.8 L / 186 cu in
316 hp
at 5800 rpm
Power
444 hp
at 7900 rpm
BMW 640i Gran Coupé
316 hp
444 hp
Porsche 911 GT3 RS
332 lb‑ft
at 1300 rpm
Max. Torque
317 lb‑ft
at 6750 rpm
BMW 640i Gran Coupé
332 lb‑ft
317 lb‑ft
Porsche 911 GT3 RS
Performance
BMW 640i Gran Coupé
Porsche 911 GT3 RS
155 mph
Maximum Speed
193 mph
5.4 sec
Acceleration 0 to 62 mph
4 sec
62 mph
62
mph
mph
246 ft
0.000 sec

BMW 640i Gran Coupé
62 mph
62
mph
mph
184 ft
0.000 sec

Porsche 911 GT3 RS
▶ REPLAY
12.73 lb/hp
Weight-to-Power Ratio
7.18 lb/hp
BMW 640i Gran Coupé
12.73 lb/hp
7.18 lb/hp
Porsche 911 GT3 RS
Fuel Economy / Emissions
BMW 640i Gran Coupé
Porsche 911 GT3 RS
Fuel Economy
30 mpg
combined
18 mpg
BMW 640i Gran Coupé
30 mpg
18 mpg
Porsche 911 GT3 RS
22 mpg
city
12 mpg
No data
highway
25 mpg
18.5 gal
Fuel Tank Capacity
17.7 gal
557 mi
Range
316 mi
BMW 640i Gran Coupé
557 mi
316 mi
Porsche 911 GT3 RS
Environmental Impact
147.7 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
147.7 kWh
250.1 kWh
Porsche 911 GT3 RS
Euro 5
Emission Standard
Euro 5
291 g/mi (NEFZ)
CO2 Emissions
505 g/mi (NEFZ)
Practical Convenience
BMW 640i Gran Coupé
Porsche 911 GT3 RS
4
Doors
2
5
No. of Seats
4
1179 lb
Maximum Payload
518 lb
13 cu ft
Trunk Volume
3 cu ft







No data
Cargo Volume (Seats Down)
No data