The Comparative Analysis :
BMW 640i Coupé xDrive Steptronic (15 - 17) vs. Porsche 911 Carrera Coupé S PDK (11 - 15)
€ 85,300

€ 108,700

€ 85,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 108,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 640i Coupé is significantly bigger in every dimension. It's 40.3 cm longer, 8.6 cm wider and 7.4 cm taller than the Porsche 911 Carrera Coupé S.
BMW 640i Coupé
Porsche 911 Carrera Coupé S
1369
1894
2081
1295
1808
1978
1894 mm
Width
1808 mm
2081 mm
Width Incl. Mirrors
1978 mm
1369 mm
Height
1295 mm
2855
4894
2450
4491
4894 mm
Length
4491 mm
2855 mm
Wheelbase
2450 mm
Vehicle Weight
BMW 640i Coupé
Porsche 911 Carrera Coupé S
1840 kg
Kerb Weight
1490 kg
2265 kg
Gross Vehicle
Weight
Weight
1850 kg

Weight Difference:
350 kg
19.02 %

General
BMW 640i Coupé
Porsche 911 Carrera Coupé S
F13
Generation
991
Coupe
Car Body Style
Coupe
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Permanent all-wheel drive
Drive
Rear-wheel drive

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

4
Valves
4
6
Cylinders
6
2979 CC
Engine Capacity
3800 CC
316 bhp
at 5800 rpm
Power
395 bhp
at 7400 rpm
BMW 640i Coupé
316 bhp
395 bhp
Porsche 911 Carrera Coupé S
450 NM
at 1300 rpm
Max. Torque
440 NM
at 5600 rpm
BMW 640i Coupé
450 NM
440 NM
Porsche 911 Carrera Coupé S
Performance
BMW 640i Coupé
Porsche 911 Carrera Coupé S
155 mph
Maximum Speed
188 mph
5.2 sec
Acceleration 0 to 62 mph
4.3 sec
62 mph
62
mph
mph
72 m
0.000 sec

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

Porsche 911 Carrera Coupé S
▶ REPLAY
5.82 kg/bhp
Weight-to-Power Ratio
3.77 kg/bhp
BMW 640i Coupé
5.82 kg/bhp
3.77 kg/bhp
Porsche 911 Carrera Coupé S
Fuel Economy / Emissions
BMW 640i Coupé
Porsche 911 Carrera Coupé S
Fuel Economy
35 mpg
combined
32 mpg
BMW 640i Coupé
35 mpg
32 mpg
Porsche 911 Carrera Coupé S
25 mpg
city
23 mpg
No data
motorway
42 mpg
70 L
Fuel Tank Capacity
64 L
544 mi
Range
457 mi
BMW 640i Coupé
544 mi
457 mi
Porsche 911 Carrera Coupé S
Environmental Impact
151.6 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).
164.8 kWh
BMW 640i Coupé
151.6 kWh
164.8 kWh
Porsche 911 Carrera Coupé S
Euro 6b (NEFZ)
Emission Standard
Euro 5 / Euro 6
187 g/km (NEFZ)
CO2 Emissions
205 g/km (NEFZ)
Practical Convenience
BMW 640i Coupé
Porsche 911 Carrera Coupé S
2
Doors
2
4
No. of Seats
4
425 kg
Maximum Payload
360 kg
460 L
Boot Capacity
145 L







No data
Boot Capacity (Seats Down)
No data