The Comparative Analysis :
Porsche 911 Turbo Coupé PDK (13 - 15) vs. BMW 640i Coupé xDrive Automatic (13 - 13)
€ 165,100

€ 78,700

€ 165,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 78,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Porsche 911 Turbo Coupé is considerably smaller in every dimension. It's 15.3 inches shorter, 0.6 inches narrower and 2.9 inches lower than the BMW 640i Coupé.
Porsche 911 Turbo Coupé
BMW 640i Coupé
51
74
77.9
53.9
74.6
81.9
74 in
Width
74.6 in
77.9 in
Width Incl. Mirrors
81.9 in
51 in
Height
53.9 in
96.5
177.4
112.4
192.7
177.4 in
Length
192.7 in
96.5 in
Wheelbase
112.4 in
Vehicle Weight
Porsche 911 Turbo Coupé
BMW 640i Coupé
3682 lb
Curb Weight
4057 lb
4387 lb
Gross Vehicle
Weight
Weight
4971 lb

Weight Difference:
375 lb
9.24 %

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

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

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

4
Valves
4
6
Cylinders
6
3.8 L / 186 cu in
Displacement
3 L / 147 cu in
513 hp
at 6000 rpm
Power
316 hp
at 5800 rpm
Porsche 911 Turbo Coupé
513 hp
316 hp
BMW 640i Coupé
487 lb‑ft
at 1950 rpm
Max. Torque
332 lb‑ft
at 1300 rpm
Porsche 911 Turbo Coupé
487 lb‑ft
332 lb‑ft
BMW 640i Coupé
Performance
Porsche 911 Turbo Coupé
BMW 640i Coupé
196 mph
Maximum Speed
155 mph
3.4 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph
62
mph
mph
154 ft
0.000 sec

Porsche 911 Turbo Coupé
62 mph
62
mph
mph
236 ft
0.000 sec

BMW 640i Coupé
▶ REPLAY
7.18 lb/hp
Weight-to-Power Ratio
12.84 lb/hp
Porsche 911 Turbo Coupé
7.18 lb/hp
12.84 lb/hp
BMW 640i Coupé
Fuel Economy / Emissions
Porsche 911 Turbo Coupé
BMW 640i Coupé
Fuel Economy
24 mpg
combined
29 mpg
Porsche 911 Turbo Coupé
24 mpg
29 mpg
BMW 640i Coupé
18 mpg
city
21 mpg
31 mpg
highway
No data
18 gal
Fuel Tank Capacity
18.5 gal
436 mi
Range
537 mi
Porsche 911 Turbo Coupé
436 mi
537 mi
BMW 640i Coupé
Environmental Impact
183.8 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).
153.5 kWh
Porsche 911 Turbo Coupé
183.8 kWh
153.5 kWh
BMW 640i Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 5
365 g/mi (NEFZ)
CO2 Emissions
303 g/mi (NEFZ)
Practical Convenience
Porsche 911 Turbo Coupé
BMW 640i Coupé
2
Doors
2
4
No. of Seats
4
705 lb
Maximum Payload
915 lb
3.3 cu ft
Trunk Volume
13 cu ft








No data
Cargo Volume (Seats Down)
No data