The Comparative Analysis :

BMW 640i Coupé xDrive Steptronic (15 - 17) vs. Porsche 911 Carrera Coupé 4 GTS (14 - 15)

€ 85,300
BMW 640i Coupé xDrive Steptronic (15 - 17) BMW 640i Coupé
€ 124,700
 Porsche 911 Carrera Coupé 4 GTS (14 - 15) Porsche 911 Carrera Coupé 4 GTS
€ 85,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 124,700

ⓘ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 38.5 cm longer, 4.2 cm wider and 7.3 cm taller than the Porsche 911 Carrera Coupé 4 GTS.
BMW 640i Coupé
Porsche 911 Carrera Coupé 4 GTS
1369
Blueprint BMW 640i Coupé xDrive Steptronic (15 - 17)
1894
2081
1296
Blueprint Porsche 911 Carrera Coupé 4 GTS (14 - 15)
1852
1978
1894 mm
Width
1852 mm
2081 mm
Width Incl. Mirrors
1978 mm
1369 mm
Height
1296 mm
Blueprint BMW 640i Coupé xDrive Steptronic (15 - 17)
2855
4894
Blueprint Porsche 911 Carrera Coupé 4 GTS (14 - 15)
2450
4509
4894 mm
Length
4509 mm
2855 mm
Wheelbase
2450 mm

Vehicle Weight

BMW 640i Coupé
Porsche 911 Carrera Coupé 4 GTS
1840 kg
Kerb Weight
1545 kg
2265 kg
Gross Vehicle
Weight
1875 kg
BMW 640i Coupé xDrive Steptronic (15 - 17)
Weight Difference:
295 kg
16.03 %
Porsche 911 Carrera Coupé 4 GTS (14 - 15)

General

BMW 640i Coupé
Porsche 911 Carrera Coupé 4 GTS
F13
Generation
991
Coupe
Car Body Style
Coupe
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Permanent all-wheel drive
Drive
Permanent all-wheel drive
8-speed automatic transmission
Transmission
7-speed manual transmission

Engine

BMW 640i Coupé
Porsche 911 Carrera Coupé 4 GTS
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
424 bhp
at 7500 rpm
BMW 640i Coupé
316 bhp
424 bhp
Porsche 911 Carrera Coupé 4 GTS
450 NM
at 1300 rpm
Max. Torque
440 NM
at 5750 rpm
BMW 640i Coupé
450 NM
440 NM
Porsche 911 Carrera Coupé 4 GTS

Performance

BMW 640i Coupé
Porsche 911 Carrera Coupé 4 GTS
155 mph
Maximum Speed
189 mph
5.2 sec
Acceleration 0 to 62 mph
4.4 sec
62 mph 62
mph

72 m
0.000 sec

BMW 640i Coupé

62 mph 62
mph

61 m
0.000 sec

Porsche 911 Carrera Coupé 4 GTS

▶ REPLAY
5.82 kg/bhp
Weight-to-Power Ratio
3.64 kg/bhp
BMW 640i Coupé
5.82 kg/bhp
3.64 kg/bhp
Porsche 911 Carrera Coupé 4 GTS

Fuel Economy / Emissions

BMW 640i Coupé
Porsche 911 Carrera Coupé 4 GTS
Fuel Economy
35 mpg
combined
29 mpg
BMW 640i Coupé
35 mpg
29 mpg
Porsche 911 Carrera Coupé 4 GTS
25 mpg
city
20 mpg
No data
motorway
37 mpg
Kraftstoffanzeige
70 L
Fuel Tank Capacity
68 L
Kraftstoffanzeige
544 mi
Range
427 mi
BMW 640i Coupé
544 mi
427 mi
Porsche 911 Carrera Coupé 4 GTS
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).
187.5 kWh
BMW 640i Coupé
151.6 kWh
187.5 kWh
Porsche 911 Carrera Coupé 4 GTS
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
187 g/km (NEFZ)
CO2 Emissions
233 g/km (NEFZ)

Practical Convenience

BMW 640i Coupé
Porsche 911 Carrera Coupé 4 GTS
2
Doors
2
4
No. of Seats
4
425 kg
Maximum Payload
330 kg
460 L
Boot Capacity
125 L
No data
Boot Capacity (Seats Down)
No data