The Comparative Analysis :
BMW 640i Gran Coupé Steptronic (15 - 18) vs. Porsche 911 GT3 PDK (13 - 17)
€ 84,900

€ 137,300

€ 84,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 137,300
ⓘ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 46.2 cm longer, 4.2 cm wider and 12.3 cm taller than the Porsche 911 GT3.
BMW 640i Gran Coupé
Porsche 911 GT3
1392
1894
2081
1269
1852
1978
1894 mm
Width
1852 mm
2081 mm
Width Incl. Mirrors
1978 mm
1392 mm
Height
1269 mm
2968
5007
2457
4545
5007 mm
Length
4545 mm
2968 mm
Wheelbase
2457 mm
Vehicle Weight
BMW 640i Gran Coupé
Porsche 911 GT3
1825 kg
Kerb Weight
1505 kg
2360 kg
Gross Vehicle
Weight
Weight
1720 kg

Weight Difference:
320 kg
17.53 %

General
BMW 640i Gran Coupé
Porsche 911 GT3
F06
Generation
991
Coupe
Car Body Style
Coupe
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Rear-wheel drive
Drive
Rear-wheel drive

8-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
BMW 640i Gran Coupé
Porsche 911 GT3
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
3799 CC
316 bhp
at 5800 rpm
Power
469 bhp
at 8250 rpm
BMW 640i Gran Coupé
316 bhp
469 bhp
Porsche 911 GT3
450 NM
at 1300 rpm
Max. Torque
440 NM
at 6250 rpm
BMW 640i Gran Coupé
450 NM
440 NM
Porsche 911 GT3
Performance
BMW 640i Gran Coupé
Porsche 911 GT3
155 mph
Maximum Speed
196 mph
5.4 sec
Acceleration 0 to 62 mph
3.5 sec
62 mph
62
mph
mph
75 m
0.000 sec

BMW 640i Gran Coupé
62 mph
62
mph
mph
49 m
0.000 sec

Porsche 911 GT3
▶ REPLAY
5.78 kg/bhp
Weight-to-Power Ratio
3.21 kg/bhp
BMW 640i Gran Coupé
5.78 kg/bhp
3.21 kg/bhp
Porsche 911 GT3
Fuel Economy / Emissions
BMW 640i Gran Coupé
Porsche 911 GT3
Fuel Economy
37 mpg
combined
23 mpg
BMW 640i Gran Coupé
37 mpg
23 mpg
Porsche 911 GT3
26 mpg
city
15 mpg
No data
motorway
32 mpg
70 L
Fuel Tank Capacity
64 L
572 mi
Range
321 mi
BMW 640i Gran Coupé
572 mi
321 mi
Porsche 911 GT3
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).
235 kWh
BMW 640i Gran Coupé
144 kWh
235 kWh
Porsche 911 GT3
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
178 g/km (NEFZ)
CO2 Emissions
289 g/km (NEFZ)
Practical Convenience
BMW 640i Gran Coupé
Porsche 911 GT3
4
Doors
2
5
No. of Seats
4
535 kg
Maximum Payload
215 kg
460 L
Boot Capacity
125 L






No data
Boot Capacity (Seats Down)
No data