The Comparative Analysis :
BMW 640i Gran Coupé Automatic (12 - 13) vs. Porsche 911 Carrera Coupé 4 PDK (12 - 15)
€ 79,900

€ 101,100

€ 79,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 101,100
ⓘ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 3.5 inches taller than the Porsche 911 Carrera Coupé 4.
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4
54.8
74.6
81.9
51.3
72.9
77.9
74.6 in
Width
72.9 in
81.9 in
Width Incl. Mirrors
77.9 in
54.8 in
Height
51.3 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 4
4023 lb
Curb Weight
3362 lb
5203 lb
Gross Vehicle
Weight
Weight
4112 lb

Weight Difference:
661 lb
16.43 %

General
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4
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 dual clutch transmission
Engine
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4
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
3.4 L / 166 cu in
316 hp
at 5800 rpm
Power
345 hp
at 7400 rpm
BMW 640i Gran Coupé
316 hp
345 hp
Porsche 911 Carrera Coupé 4
332 lb‑ft
at 1300 rpm
Max. Torque
288 lb‑ft
at 5600 rpm
BMW 640i Gran Coupé
332 lb‑ft
288 lb‑ft
Porsche 911 Carrera Coupé 4
Performance
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4
155 mph
Maximum Speed
176 mph
5.4 sec
Acceleration 0 to 62 mph
4.7 sec
62 mph
62
mph
mph
246 ft
0.000 sec

BMW 640i Gran Coupé
62 mph
62
mph
mph
213 ft
0.000 sec

Porsche 911 Carrera Coupé 4
▶ REPLAY
12.73 lb/hp
Weight-to-Power Ratio
9.74 lb/hp
BMW 640i Gran Coupé
12.73 lb/hp
9.74 lb/hp
Porsche 911 Carrera Coupé 4
Fuel Economy / Emissions
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4
Fuel Economy
30 mpg
combined
27 mpg
BMW 640i Gran Coupé
30 mpg
27 mpg
Porsche 911 Carrera Coupé 4
22 mpg
city
20 mpg
No data
highway
35 mpg
18.5 gal
Fuel Tank Capacity
18 gal
557 mi
Range
492 mi
BMW 640i Gran Coupé
557 mi
492 mi
Porsche 911 Carrera Coupé 4
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).
162.9 kWh
BMW 640i Gran Coupé
147.7 kWh
162.9 kWh
Porsche 911 Carrera Coupé 4
Euro 5
Emission Standard
Euro 5 / Euro 6
291 g/mi (NEFZ)
CO2 Emissions
327 g/mi (NEFZ)
Practical Convenience
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4
4
Doors
2
5
No. of Seats
4
1179 lb
Maximum Payload
750 lb
13 cu ft
Trunk Volume
3.5 cu ft






No data
Cargo Volume (Seats Down)
No data