The Comparative Analysis :
BMW 640i Gran Coupé Automatic (12 - 13) vs. Porsche 911 Carrera Coupé 4S (12 - 15)
€ 79,900
€ 112,300
€ 79,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 112,300
ⓘ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
74.6
81.9
51
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
116.9
197.1
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
4023 lb
Curb Weight
3351 lb
5203 lb
Gross Vehicle
Weight
Weight
4134 lb
Weight Difference:
672 lb
16.7 %
General
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4S
F06
Generation
991
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
8-speed automatic transmission
Transmission
7-speed manual 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
186 mph
5.4 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph
62
mph
mph
246 ft
0.000 sec
BMW 640i Gran Coupé
62 mph
62
mph
mph
207 ft
0.000 sec
Porsche 911 Carrera Coupé 4S
▶ REPLAY
12.73 lb/hp
Weight-to-Power Ratio
8.48 lb/hp
BMW 640i Gran Coupé
12.73 lb/hp
8.48 lb/hp
Porsche 911 Carrera Coupé 4S
Fuel Economy / Emissions
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4S
Fuel Economy
30 mpg
combined
24 mpg
BMW 640i Gran Coupé
30 mpg
24 mpg
Porsche 911 Carrera Coupé 4S
22 mpg
city
17 mpg
No data
highway
31 mpg
18.5 gal
Fuel Tank Capacity
18 gal
557 mi
Range
427 mi
BMW 640i Gran Coupé
557 mi
427 mi
Porsche 911 Carrera Coupé 4S
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).
187.5 kWh
BMW 640i Gran Coupé
147.7 kWh
187.5 kWh
Porsche 911 Carrera Coupé 4S
Euro 5
Emission Standard
Euro 5 / Euro 6
291 g/mi (NEFZ)
CO2 Emissions
377 g/mi (NEFZ)
Practical Convenience
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4S
4
Doors
2
5
No. of Seats
4
1179 lb
Maximum Payload
783 lb
13 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data
