The Comparative Analysis :
BMW 640i Coupé Steptronic (15 - 17) vs. Porsche 911 Carrera Coupé 4S PDK (19 - ..)
€ 81,900

€ 128,000

€ 81,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 128,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 640i Coupé is considerably bigger in every dimension. It's 37.5 cm longer, 4.2 cm wider and 6.9 cm taller than the Porsche 911 Carrera Coupé 4S.
BMW 640i Coupé
Porsche 911 Carrera Coupé 4S
1369
1894
2081
1300
1852
2024
1894 mm
Width
1852 mm
2081 mm
Width Incl. Mirrors
2024 mm
1369 mm
Height
1300 mm
2855
4894
2450
4519
4894 mm
Length
4519 mm
2855 mm
Wheelbase
2450 mm
Vehicle Weight
BMW 640i Coupé
Porsche 911 Carrera Coupé 4S
1760 kg
Kerb Weight
1640 kg
2210 kg
Gross Vehicle
Weight
Weight
2010 kg

Weight Difference:
120 kg
6.82 %

General
BMW 640i Coupé
Porsche 911 Carrera Coupé 4S
F13
Generation
992
Coupe
Car Body Style
Coupe
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Rear-wheel drive
Drive
Permanent all-wheel drive

8-speed automatic transmission
Transmission
8-speed dual clutch transmission
Engine
BMW 640i Coupé
Porsche 911 Carrera Coupé 4S
Straight-six petrol engine with turbocharger
Engine Type
6-cylinder boxer petrol engine with two turbochargers (biturbo)
BMW N55
Engine Series
N55-B30
Engine Code

4
Valves
4
6
Cylinders
6
2979 CC
Engine Capacity
2981 CC
316 bhp
at 5800 rpm
Power
444 bhp
at 6500 rpm
BMW 640i Coupé
316 bhp
444 bhp
Porsche 911 Carrera Coupé 4S
450 NM
at 1300 rpm
Max. Torque
530 NM
at 2300 rpm
BMW 640i Coupé
450 NM
530 NM
Porsche 911 Carrera Coupé 4S
Performance
BMW 640i Coupé
Porsche 911 Carrera Coupé 4S
155 mph
Maximum Speed
190 mph
5.3 sec
Acceleration 0 to 62 mph
3.6 sec
62 mph
62
mph
mph
74 m
0.000 sec

BMW 640i Coupé
62 mph
62
mph
mph
50 m
0.000 sec

Porsche 911 Carrera Coupé 4S
▶ REPLAY
5.57 kg/bhp
Weight-to-Power Ratio
3.69 kg/bhp
BMW 640i Coupé
5.57 kg/bhp
3.69 kg/bhp
Porsche 911 Carrera Coupé 4S
Fuel Economy / Emissions
BMW 640i Coupé
Porsche 911 Carrera Coupé 4S
Fuel Economy
37 mpg
combined
31 mpg
BMW 640i Coupé
37 mpg
31 mpg
Porsche 911 Carrera Coupé 4S
27 mpg
city
25 mpg
No data
motorway
36 mpg
70 L
Fuel Tank Capacity
67 L
572 mi
Range
462 mi
BMW 640i Coupé
572 mi
462 mi
Porsche 911 Carrera Coupé 4S
Environmental Impact
144 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).
170.4 kWh
BMW 640i Coupé
144 kWh
170.4 kWh
Porsche 911 Carrera Coupé 4S
Euro 6b (NEFZ)
Emission Standard
Euro 6d
177 g/km (NEFZ)
CO2 Emissions
237 g/km (WLTP)
Practical Convenience
BMW 640i Coupé
Porsche 911 Carrera Coupé 4S
2
Doors
2
4
No. of Seats
4
450 kg
Maximum Payload
370 kg
460 L
Boot Capacity
132 L






No data
Boot Capacity (Seats Down)
No data