The Comparative Analysis :
BMW 640i Coupé Automatic (11 - 13) vs. Porsche 911 GT2 RS PDK (17 - 18)
€ 75,300
€ 285,200
€ 75,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 285,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 640i Coupé is considerably bigger in every dimension. It's 13.6 inches longer, 0.6 inches wider and 2.8 inches taller than the Porsche 911 GT2 RS.
BMW 640i Coupé
Porsche 911 GT2 RS
53.9
74.6
81.9
51.1
74
77.9
74.6 in
Width
74 in
81.9 in
Width Incl. Mirrors
77.9 in
53.9 in
Height
51.1 in
112.4
192.7
96.6
179.1
192.7 in
Length
179.1 in
112.4 in
Wheelbase
96.6 in
Vehicle Weight
BMW 640i Coupé
Porsche 911 GT2 RS
3825 lb
Curb Weight
3406 lb
4806 lb
Gross Vehicle
Weight
Weight
4034 lb
Weight Difference:
419 lb
10.95 %
General
BMW 640i Coupé
Porsche 911 GT2 RS
F13
Generation
991
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
BMW 640i Coupé
Porsche 911 GT2 RS
Straight-six gasoline engine with turbocharger
Engine Type
6-cylinder boxer gasoline engine with two turbochargers (biturbo)
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
690 hp
at 7000 rpm
BMW 640i Coupé
316 hp
690 hp
Porsche 911 GT2 RS
332 lb‑ft
at 1300 rpm
Max. Torque
553 lb‑ft
at 2500 rpm
BMW 640i Coupé
332 lb‑ft
553 lb‑ft
Porsche 911 GT2 RS
Performance
BMW 640i Coupé
Porsche 911 GT2 RS
155 mph
Maximum Speed
211 mph
5.4 sec
Acceleration 0 to 62 mph
2.8 sec
62 mph
62
mph
mph
246 ft
0.000 sec
BMW 640i Coupé
62 mph
62
mph
mph
128 ft
0.000 sec
Porsche 911 GT2 RS
▶ REPLAY
12.1 lb/hp
Weight-to-Power Ratio
4.94 lb/hp
BMW 640i Coupé
12.1 lb/hp
4.94 lb/hp
Porsche 911 GT2 RS
Fuel Economy / Emissions
BMW 640i Coupé
Porsche 911 GT2 RS
Fuel Economy
31 mpg
combined
20 mpg
BMW 640i Coupé
31 mpg
20 mpg
Porsche 911 GT2 RS
23 mpg
city
13 mpg
No data
highway
29 mpg
18.5 gal
Fuel Tank Capacity
16.9 gal
572 mi
Range
337 mi
BMW 640i Coupé
572 mi
337 mi
Porsche 911 GT2 RS
Environmental Impact
144 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).
223.5 kWh
BMW 640i Coupé
144 kWh
223.5 kWh
Porsche 911 GT2 RS
Euro 5
Emission Standard
Euro 6b (NEFZ)
285 g/mi (NEFZ)
CO2 Emissions
433 g/mi (NEFZ)
Practical Convenience
BMW 640i Coupé
Porsche 911 GT2 RS
2
Doors
2
4
No. of Seats
2
981 lb
Maximum Payload
628 lb
13 cu ft
Trunk Volume
3.3 cu ft
No data
Cargo Volume (Seats Down)
No data
