The Comparative Analysis :
BMW 640d Coupé Steptronic (11 - 14) vs. Porsche 911 GT2 RS PDK (17 - 18)
€ 78,800
€ 285,200
€ 78,800
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 640d 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 640d 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 640d Coupé
Porsche 911 GT2 RS
3946 lb
Curb Weight
3406 lb
4894 lb
Gross Vehicle
Weight
Weight
4034 lb
Weight Difference:
540 lb
13.68 %
General
BMW 640d Coupé
Porsche 911 GT2 RS
F13
Generation
991
Coupe
Car Body Style
Coupe
Diesel
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
BMW 640d Coupé
Porsche 911 GT2 RS
Straight-six diesel engine with two turbochargers (biturbo)
Engine Type
6-cylinder boxer gasoline engine with two turbochargers (biturbo)
BMW N57
Engine Series
N57-D30
Engine Code
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3.8 L / 186 cu in
309 hp
at 4400 rpm
Power
690 hp
at 7000 rpm
BMW 640d Coupé
309 hp
690 hp
Porsche 911 GT2 RS
465 lb‑ft
at 1500 rpm
Max. Torque
553 lb‑ft
at 2500 rpm
BMW 640d Coupé
465 lb‑ft
553 lb‑ft
Porsche 911 GT2 RS
Performance
BMW 640d Coupé
Porsche 911 GT2 RS
155 mph
Maximum Speed
211 mph
5.5 sec
Acceleration 0 to 62 mph
2.8 sec
62 mph
62
mph
mph
249 ft
0.000 sec
BMW 640d Coupé
62 mph
62
mph
mph
128 ft
0.000 sec
Porsche 911 GT2 RS
▶ REPLAY
12.77 lb/hp
Weight-to-Power Ratio
4.94 lb/hp
BMW 640d Coupé
12.77 lb/hp
4.94 lb/hp
Porsche 911 GT2 RS
Fuel Economy / Emissions
BMW 640d Coupé
Porsche 911 GT2 RS
Fuel Economy
44 mpg
combined
20 mpg
BMW 640d Coupé
44 mpg
20 mpg
Porsche 911 GT2 RS
36 mpg
city
13 mpg
No data
highway
29 mpg
18.5 gal
Fuel Tank Capacity
16.9 gal
805 mi
Range
337 mi
BMW 640d Coupé
805 mi
337 mi
Porsche 911 GT2 RS
Environmental Impact
111 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 640d Coupé
111 kWh
223.5 kWh
Porsche 911 GT2 RS
Euro 5
Emission Standard
Euro 6b (NEFZ)
230 g/mi (NEFZ)
CO2 Emissions
433 g/mi (NEFZ)
Practical Convenience
BMW 640d Coupé
Porsche 911 GT2 RS
2
Doors
2
4
No. of Seats
2
948 lb
Maximum Payload
628 lb
13 cu ft
Trunk Volume
3.3 cu ft
No data
Cargo Volume (Seats Down)
No data
