The Comparative Analysis :
BMW 640d Coupé xDrive Steptronic (15 - 17) vs. Porsche 911 Carrera Coupé S PDK (11 - 15)
€ 89,500

€ 108,700

€ 89,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 108,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 640d Coupé is significantly bigger in every dimension. It's 15.9 inches longer, 3.4 inches wider and 2.9 inches taller than the Porsche 911 Carrera Coupé S.
BMW 640d Coupé
Porsche 911 Carrera Coupé S
53.9
74.6
81.9
51
71.2
77.9
74.6 in
Width
71.2 in
81.9 in
Width Incl. Mirrors
77.9 in
53.9 in
Height
51 in
112.4
192.7
96.5
176.8
192.7 in
Length
176.8 in
112.4 in
Wheelbase
96.5 in
Vehicle Weight
BMW 640d Coupé
Porsche 911 Carrera Coupé S
4123 lb
Curb Weight
3285 lb
5104 lb
Gross Vehicle
Weight
Weight
4079 lb

Weight Difference:
838 lb
20.33 %

General
BMW 640d Coupé
Porsche 911 Carrera Coupé S
F13
Generation
991
Coupe
Car Body Style
Coupe
Diesel
Fuel Type
Premium Unleaded

Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive

8-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
BMW 640d Coupé
Porsche 911 Carrera Coupé S
Straight-six diesel engine with two turbochargers (biturbo)
Engine Type
6-cylinder boxer gasoline engine (naturally aspirated engine)
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
395 hp
at 7400 rpm
BMW 640d Coupé
309 hp
395 hp
Porsche 911 Carrera Coupé S
465 lb‑ft
at 1500 rpm
Max. Torque
325 lb‑ft
at 5600 rpm
BMW 640d Coupé
465 lb‑ft
325 lb‑ft
Porsche 911 Carrera Coupé S
Performance
BMW 640d Coupé
Porsche 911 Carrera Coupé S
155 mph
Maximum Speed
188 mph
5.1 sec
Acceleration 0 to 62 mph
4.3 sec
62 mph
62
mph
mph
233 ft
0.000 sec

BMW 640d Coupé
62 mph
62
mph
mph
197 ft
0.000 sec

Porsche 911 Carrera Coupé S
▶ REPLAY
13.34 lb/hp
Weight-to-Power Ratio
8.32 lb/hp
BMW 640d Coupé
13.34 lb/hp
8.32 lb/hp
Porsche 911 Carrera Coupé S
Fuel Economy / Emissions
BMW 640d Coupé
Porsche 911 Carrera Coupé S
Fuel Economy
42 mpg
combined
27 mpg
BMW 640d Coupé
42 mpg
27 mpg
Porsche 911 Carrera Coupé S
36 mpg
city
19 mpg
No data
highway
35 mpg
18.5 gal
Fuel Tank Capacity
16.9 gal
777 mi
Range
457 mi
BMW 640d Coupé
777 mi
457 mi
Porsche 911 Carrera Coupé S
Environmental Impact
115.2 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).
164.8 kWh
BMW 640d Coupé
115.2 kWh
164.8 kWh
Porsche 911 Carrera Coupé S
Euro 6b (NEFZ)
Emission Standard
Euro 5 / Euro 6
240 g/mi (NEFZ)
CO2 Emissions
330 g/mi (NEFZ)
Practical Convenience
BMW 640d Coupé
Porsche 911 Carrera Coupé S
2
Doors
2
4
No. of Seats
4
981 lb
Maximum Payload
794 lb
13 cu ft
Trunk Volume
4.1 cu ft







No data
Cargo Volume (Seats Down)
No data