The Comparative Analysis :
Porsche 911 Turbo Coupé (09 - 13) vs. BMW 640i Gran Coupé Steptronic (13 - 14)
€ 150,200

€ 79,900

€ 150,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 79,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Porsche 911 Turbo Coupé is significantly smaller in every dimension. It's 21.9 inches shorter, 1.7 inches narrower and 3.6 inches lower than the BMW 640i Gran Coupé.
Porsche 911 Turbo Coupé
BMW 640i Gran Coupé
51.2
72.9
80.8
54.8
74.6
81.9
72.9 in
Width
74.6 in
80.8 in
Width Incl. Mirrors
81.9 in
51.2 in
Height
54.8 in
92.5
175.2
116.9
197.1
175.2 in
Length
197.1 in
92.5 in
Wheelbase
116.9 in
Vehicle Weight
Porsche 911 Turbo Coupé
BMW 640i Gran Coupé
3627 lb
Curb Weight
4023 lb
4266 lb
Gross Vehicle
Weight
Weight
5203 lb

Weight Difference:
397 lb
9.87 %

General
Porsche 911 Turbo Coupé
BMW 640i Gran Coupé
997
Generation
F06
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded

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

6-speed manual transmission
Transmission
8-speed automatic transmission
Engine
Porsche 911 Turbo Coupé
BMW 640i Gran 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
493 hp
at 6000 rpm
Power
316 hp
at 5800 rpm
Porsche 911 Turbo Coupé
493 hp
316 hp
BMW 640i Gran Coupé
479 lb‑ft
at 1950 rpm
Max. Torque
332 lb‑ft
at 1300 rpm
Porsche 911 Turbo Coupé
479 lb‑ft
332 lb‑ft
BMW 640i Gran Coupé
Performance
Porsche 911 Turbo Coupé
BMW 640i Gran Coupé
194 mph
Maximum Speed
155 mph
3.7 sec
Acceleration 0 to 62 mph
5.4 sec
62 mph
62
mph
mph
167 ft
0.000 sec

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

BMW 640i Gran Coupé
▶ REPLAY
7.36 lb/hp
Weight-to-Power Ratio
12.73 lb/hp
Porsche 911 Turbo Coupé
7.36 lb/hp
12.73 lb/hp
BMW 640i Gran Coupé
Fuel Economy / Emissions
Porsche 911 Turbo Coupé
BMW 640i Gran Coupé
Fuel Economy
20 mpg
combined
30 mpg
Porsche 911 Turbo Coupé
20 mpg
30 mpg
BMW 640i Gran Coupé
14 mpg
city
22 mpg
28 mpg
highway
No data
17.7 gal
Fuel Tank Capacity
18.5 gal
359 mi
Range
557 mi
Porsche 911 Turbo Coupé
359 mi
557 mi
BMW 640i Gran Coupé
Environmental Impact
219.8 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).
147.7 kWh
Porsche 911 Turbo Coupé
219.8 kWh
147.7 kWh
BMW 640i Gran Coupé
Euro 5
Emission Standard
Euro 6b (NEFZ)
438 g/mi (NEFZ)
CO2 Emissions
291 g/mi (NEFZ)
Practical Convenience
Porsche 911 Turbo Coupé
BMW 640i Gran Coupé
2
Doors
4
4
No. of Seats
5
639 lb
Maximum Payload
1179 lb
3 cu ft
Trunk Volume
13 cu ft







No data
Cargo Volume (Seats Down)
No data