The Comparative Analysis :
BMW 640i Gran Coupé Automatic (12 - 13) vs. Porsche 911 Carrera Coupé 4S (16 - 18)
€ 79,900

€ 119,500

€ 79,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 119,500
ⓘ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 inches longer, 1.7 inches wider and 3.7 inches taller than the Porsche 911 Carrera Coupé 4S.
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4S
54.8
74.6
81.9
51.1
72.9
77.9
74.6 in
Width
72.9 in
81.9 in
Width Incl. Mirrors
77.9 in
54.8 in
Height
51.1 in
116.9
197.1
96.5
177.1
197.1 in
Length
177.1 in
116.9 in
Wheelbase
96.5 in
Vehicle Weight
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4S
4023 lb
Curb Weight
3450 lb
5203 lb
Gross Vehicle
Weight
Weight
4299 lb

Weight Difference:
573 lb
14.24 %

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 with two turbochargers (biturbo)
BMW N55
Engine Series
N55-B30
Engine Code

4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
316 hp
at 5800 rpm
Power
414 hp
at 6500 rpm
BMW 640i Gran Coupé
316 hp
414 hp
Porsche 911 Carrera Coupé 4S
332 lb‑ft
at 1300 rpm
Max. Torque
369 lb‑ft
at 1700 rpm
BMW 640i Gran Coupé
332 lb‑ft
369 lb‑ft
Porsche 911 Carrera Coupé 4S
Performance
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4S
155 mph
Maximum Speed
190 mph
5.4 sec
Acceleration 0 to 62 mph
4.2 sec
62 mph
62
mph
mph
246 ft
0.000 sec

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

Porsche 911 Carrera Coupé 4S
▶ REPLAY
12.73 lb/hp
Weight-to-Power Ratio
8.33 lb/hp
BMW 640i Gran Coupé
12.73 lb/hp
8.33 lb/hp
Porsche 911 Carrera Coupé 4S
Fuel Economy / Emissions
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4S
Fuel Economy
30 mpg
combined
26 mpg
BMW 640i Gran Coupé
30 mpg
26 mpg
Porsche 911 Carrera Coupé 4S
22 mpg
city
19 mpg
No data
highway
35 mpg
18.5 gal
Fuel Tank Capacity
18 gal
557 mi
Range
475 mi
BMW 640i Gran Coupé
557 mi
475 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).
168.7 kWh
BMW 640i Gran Coupé
147.7 kWh
168.7 kWh
Porsche 911 Carrera Coupé 4S
Euro 5
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
291 g/mi (NEFZ)
CO2 Emissions
328 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
849 lb
13 cu ft
Trunk Volume
3.5 cu ft






No data
Cargo Volume (Seats Down)
No data