The Comparative Analysis :

BMW 640i Coupé Steptronic (13 - 14) vs. Porsche 911 Carrera Coupé 4S (08 - 12)

€ 75,300
BMW 640i Coupé Steptronic (13 - 14) BMW 640i Coupé
€ 105,400
 Porsche 911 Carrera Coupé 4S (08 - 12) Porsche 911 Carrera Coupé 4S
€ 75,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 105,400

ⓘ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 45.9 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
Blueprint BMW 640i Coupé Steptronic (13 - 14)
1894
2081
1300
Blueprint Porsche 911 Carrera Coupé 4S (08 - 12)
1852
2052
1894 mm
Width
1852 mm
2081 mm
Width Incl. Mirrors
2052 mm
1369 mm
Height
1300 mm
Blueprint BMW 640i Coupé Steptronic (13 - 14)
2855
4894
Blueprint Porsche 911 Carrera Coupé 4S (08 - 12)
2350
4435
4894 mm
Length
4435 mm
2855 mm
Wheelbase
2350 mm

Vehicle Weight

BMW 640i Coupé
Porsche 911 Carrera Coupé 4S
1735 kg
Kerb Weight
1555 kg
2180 kg
Gross Vehicle
Weight
1880 kg
BMW 640i Coupé Steptronic (13 - 14)
Weight Difference:
180 kg
10.37 %
Porsche 911 Carrera Coupé 4S (08 - 12)

General

BMW 640i Coupé
Porsche 911 Carrera Coupé 4S
F13
Generation
997
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
6-speed manual transmission

Engine

BMW 640i Coupé
Porsche 911 Carrera Coupé 4S
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
380 bhp
at 6500 rpm
BMW 640i Coupé
316 bhp
380 bhp
Porsche 911 Carrera Coupé 4S
450 NM
at 1300 rpm
Max. Torque
420 NM
at 4400 rpm
BMW 640i Coupé
450 NM
420 NM
Porsche 911 Carrera Coupé 4S

Performance

BMW 640i Coupé
Porsche 911 Carrera Coupé 4S
155 mph
Maximum Speed
185 mph
5.4 sec
Acceleration 0 to 62 mph
4.7 sec
62 mph 62
mph

75 m
0.000 sec

BMW 640i Coupé

62 mph 62
mph

65 m
0.000 sec

Porsche 911 Carrera Coupé 4S

▶ REPLAY
5.49 kg/bhp
Weight-to-Power Ratio
4.09 kg/bhp
BMW 640i Coupé
5.49 kg/bhp
4.09 kg/bhp
Porsche 911 Carrera Coupé 4S

Fuel Economy / Emissions

BMW 640i Coupé
Porsche 911 Carrera Coupé 4S
Fuel Economy
37 mpg
combined
26 mpg
BMW 640i Coupé
37 mpg
26 mpg
Porsche 911 Carrera Coupé 4S
27 mpg
city
17 mpg
No data
motorway
37 mpg
Kraftstoffanzeige
70 L
Fuel Tank Capacity
67 L
Kraftstoffanzeige
572 mi
Range
378 mi
BMW 640i Coupé
572 mi
378 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).
208.4 kWh
BMW 640i Coupé
144 kWh
208.4 kWh
Porsche 911 Carrera Coupé 4S
Euro 6b (NEFZ)
Emission Standard
Euro 5
177 g/km (NEFZ)
CO2 Emissions
259 g/km (NEFZ)

Practical Convenience

BMW 640i Coupé
Porsche 911 Carrera Coupé 4S
2
Doors
2
4
No. of Seats
4
445 kg
Maximum Payload
325 kg
460 L
Boot Capacity
105 L
No data
Boot Capacity (Seats Down)
No data