The Comparative Analysis :

BMW 640i Coupé Steptronic (13 - 14) vs. Porsche 911 Turbo Coupé (09 - 13)

€ 75,300
BMW 640i Coupé Steptronic (13 - 14) BMW 640i Coupé
€ 150,200
 Porsche 911 Turbo Coupé (09 - 13) Porsche 911 Turbo Coupé
€ 75,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 150,200

ⓘ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 17.5 inches longer, 1.7 inches wider and 2.7 inches taller than the Porsche 911 Turbo Coupé.
BMW 640i Coupé
Porsche 911 Turbo Coupé
53.9
Blueprint BMW 640i Coupé Steptronic (13 - 14)
74.6
81.9
51.2
Blueprint Porsche 911 Turbo Coupé (09 - 13)
72.9
80.8
74.6 in
Width
72.9 in
81.9 in
Width Incl. Mirrors
80.8 in
53.9 in
Height
51.2 in
Blueprint BMW 640i Coupé Steptronic (13 - 14)
112.4
192.7
Blueprint Porsche 911 Turbo Coupé (09 - 13)
92.5
175.2
192.7 in
Length
175.2 in
112.4 in
Wheelbase
92.5 in

Vehicle Weight

BMW 640i Coupé
Porsche 911 Turbo Coupé
3825 lb
Curb Weight
3627 lb
4806 lb
Gross Vehicle
Weight
4266 lb
BMW 640i Coupé Steptronic (13 - 14)
Weight Difference:
198 lb
5.18 %
Porsche 911 Turbo Coupé (09 - 13)

General

BMW 640i Coupé
Porsche 911 Turbo Coupé
F13
Generation
997
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
6-speed manual transmission

Engine

BMW 640i Coupé
Porsche 911 Turbo Coupé
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
3.8 L / 186 cu in
316 hp
at 5800 rpm
Power
493 hp
at 6000 rpm
BMW 640i Coupé
316 hp
493 hp
Porsche 911 Turbo Coupé
332 lb‑ft
at 1300 rpm
Max. Torque
479 lb‑ft
at 1950 rpm
BMW 640i Coupé
332 lb‑ft
479 lb‑ft
Porsche 911 Turbo Coupé

Performance

BMW 640i Coupé
Porsche 911 Turbo Coupé
155 mph
Maximum Speed
194 mph
5.4 sec
Acceleration 0 to 62 mph
3.7 sec
62 mph 62
mph

246 ft
0.000 sec

BMW 640i Coupé

62 mph 62
mph

167 ft
0.000 sec

Porsche 911 Turbo Coupé

▶ REPLAY
12.1 lb/hp
Weight-to-Power Ratio
7.36 lb/hp
BMW 640i Coupé
12.1 lb/hp
7.36 lb/hp
Porsche 911 Turbo Coupé

Fuel Economy / Emissions

BMW 640i Coupé
Porsche 911 Turbo Coupé
Fuel Economy
31 mpg
combined
20 mpg
BMW 640i Coupé
31 mpg
20 mpg
Porsche 911 Turbo Coupé
22 mpg
city
14 mpg
No data
highway
28 mpg
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
17.7 gal
Kraftstoffanzeige
572 mi
Range
359 mi
BMW 640i Coupé
572 mi
359 mi
Porsche 911 Turbo Coupé
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).
219.8 kWh
BMW 640i Coupé
144 kWh
219.8 kWh
Porsche 911 Turbo Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 5
285 g/mi (NEFZ)
CO2 Emissions
438 g/mi (NEFZ)

Practical Convenience

BMW 640i Coupé
Porsche 911 Turbo Coupé
2
Doors
2
4
No. of Seats
4
981 lb
Maximum Payload
639 lb
13 cu ft
Trunk Volume
3 cu ft
No data
Cargo Volume (Seats Down)
No data