The Comparative Analysis :

BMW 640i Gran Coupé xDrive Steptronic (13 - 14) vs. Porsche 911 Carrera Coupé 4S PDK (12 - 15)

€ 83,300
BMW 640i Gran Coupé xDrive Steptronic (13 - 14) BMW 640i Gran Coupé
€ 115,800
 Porsche 911 Carrera Coupé 4S PDK (12 - 15) Porsche 911 Carrera Coupé 4S
€ 83,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 115,800

ⓘ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 20.3 inches longer, 1.7 inches wider and 3.8 inches taller than the Porsche 911 Carrera Coupé 4S.
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4S
54.8
Blueprint BMW 640i Gran Coupé xDrive Steptronic (13 - 14)
74.6
81.9
51
Blueprint Porsche 911 Carrera Coupé 4S PDK (12 - 15)
72.9
77.9
74.6 in
Width
72.9 in
81.9 in
Width Incl. Mirrors
77.9 in
54.8 in
Height
51 in
Blueprint BMW 640i Gran Coupé xDrive Steptronic (13 - 14)
116.9
197.1
Blueprint Porsche 911 Carrera Coupé 4S PDK (12 - 15)
96.5
176.8
197.1 in
Length
176.8 in
116.9 in
Wheelbase
96.5 in

Vehicle Weight

BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4S
4189 lb
Curb Weight
3395 lb
5357 lb
Gross Vehicle
Weight
4178 lb
BMW 640i Gran Coupé xDrive Steptronic (13 - 14)
Weight Difference:
794 lb
18.96 %
Porsche 911 Carrera Coupé 4S PDK (12 - 15)

General

BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4S
F06
Generation
991
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)
8-speed automatic transmission
Transmission
7-speed dual clutch transmission

Engine

BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4S
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
395 hp
at 7400 rpm
BMW 640i Gran Coupé
316 hp
395 hp
Porsche 911 Carrera Coupé 4S
332 lb‑ft
at 1300 rpm
Max. Torque
325 lb‑ft
at 5600 rpm
BMW 640i Gran Coupé
332 lb‑ft
325 lb‑ft
Porsche 911 Carrera Coupé 4S

Performance

BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4S
155 mph
Maximum Speed
185 mph
5.3 sec
Acceleration 0 to 62 mph
4.3 sec
62 mph 62
mph

243 ft
0.000 sec

BMW 640i Gran Coupé

62 mph 62
mph

197 ft
0.000 sec

Porsche 911 Carrera Coupé 4S

▶ REPLAY
13.26 lb/hp
Weight-to-Power Ratio
8.59 lb/hp
BMW 640i Gran Coupé
13.26 lb/hp
8.59 lb/hp
Porsche 911 Carrera Coupé 4S

Fuel Economy / Emissions

BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4S
Fuel Economy
29 mpg
combined
26 mpg
BMW 640i Gran Coupé
29 mpg
26 mpg
Porsche 911 Carrera Coupé 4S
21 mpg
city
19 mpg
No data
highway
34 mpg
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
18 gal
Kraftstoffanzeige
537 mi
Range
464 mi
BMW 640i Gran Coupé
537 mi
464 mi
Porsche 911 Carrera Coupé 4S
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).
172.4 kWh
BMW 640i Gran Coupé
153.5 kWh
172.4 kWh
Porsche 911 Carrera Coupé 4S
Euro 6b (NEFZ)
Emission Standard
Euro 5 / Euro 6
304 g/mi (NEFZ)
CO2 Emissions
346 g/mi (NEFZ)

Practical Convenience

BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4S
4
Doors
2
5
No. of Seats
4
1168 lb
Maximum Payload
783 lb
13 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data