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

€ 137,300

€ 81,900
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 Coupé is considerably bigger in every dimension. It's 14.4 inches longer, 1.7 inches wider and 3.3 inches taller than the Porsche 911 Carrera Coupé 4 GTS.
BMW 640i Coupé
Porsche 911 Carrera Coupé 4 GTS
53.9
74.6
81.9
50.6
72.9
77.9
74.6 in
Width
72.9 in
81.9 in
Width Incl. Mirrors
77.9 in
53.9 in
Height
50.6 in
112.4
192.7
96.5
178.3
192.7 in
Length
178.3 in
112.4 in
Wheelbase
96.5 in
Vehicle Weight
BMW 640i Coupé
Porsche 911 Carrera Coupé 4 GTS
3880 lb
Curb Weight
3505 lb
4872 lb
Gross Vehicle
Weight
Weight
4332 lb

Weight Difference:
375 lb
9.66 %

General
BMW 640i Coupé
Porsche 911 Carrera Coupé 4 GTS
F13
Generation
991
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)

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

4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
316 hp
at 5800 rpm
Power
444 hp
at 6500 rpm
BMW 640i Coupé
316 hp
444 hp
Porsche 911 Carrera Coupé 4 GTS
332 lb‑ft
at 1300 rpm
Max. Torque
406 lb‑ft
at 2150 rpm
BMW 640i Coupé
332 lb‑ft
406 lb‑ft
Porsche 911 Carrera Coupé 4 GTS
Performance
BMW 640i Coupé
Porsche 911 Carrera Coupé 4 GTS
155 mph
Maximum Speed
191 mph
5.3 sec
Acceleration 0 to 62 mph
3.6 sec
62 mph
62
mph
mph
243 ft
0.000 sec

BMW 640i Coupé
62 mph
62
mph
mph
164 ft
0.000 sec

Porsche 911 Carrera Coupé 4 GTS
▶ REPLAY
12.28 lb/hp
Weight-to-Power Ratio
7.89 lb/hp
BMW 640i Coupé
12.28 lb/hp
7.89 lb/hp
Porsche 911 Carrera Coupé 4 GTS
Fuel Economy / Emissions
BMW 640i Coupé
Porsche 911 Carrera Coupé 4 GTS
Fuel Economy
31 mpg
combined
28 mpg
BMW 640i Coupé
31 mpg
28 mpg
Porsche 911 Carrera Coupé 4 GTS
22 mpg
city
22 mpg
No data
highway
33 mpg
18.5 gal
Fuel Tank Capacity
17.7 gal
572 mi
Range
490 mi
BMW 640i Coupé
572 mi
490 mi
Porsche 911 Carrera Coupé 4 GTS
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).
161.1 kWh
BMW 640i Coupé
144 kWh
161.1 kWh
Porsche 911 Carrera Coupé 4 GTS
Euro 6b (NEFZ)
Emission Standard
Euro 6
285 g/mi (NEFZ)
CO2 Emissions
309 g/mi (NEFZ)
Practical Convenience
BMW 640i Coupé
Porsche 911 Carrera Coupé 4 GTS
2
Doors
2
4
No. of Seats
4
992 lb
Maximum Payload
827 lb
13 cu ft
Trunk Volume
3.5 cu ft






No data
Cargo Volume (Seats Down)
No data