The Comparative Analysis :

BMW 640i Gran Coupé Steptronic (13 - 14) vs. Porsche 911 Carrera Coupé 4S PDK (08 - 12)

€ 79,900
BMW 640i Gran Coupé Steptronic (13 - 14) BMW 640i Gran Coupé
€ 108,900
 Porsche 911 Carrera Coupé 4S PDK (08 - 12) Porsche 911 Carrera Coupé 4S
€ 79,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 108,900

ⓘ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 22.5 inches longer, 1.7 inches wider and 3.6 inches taller than the Porsche 911 Carrera Coupé 4S.
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4S
54.8
Blueprint BMW 640i Gran Coupé Steptronic (13 - 14)
74.6
81.9
51.2
Blueprint Porsche 911 Carrera Coupé 4S PDK (08 - 12)
72.9
80.8
74.6 in
Width
72.9 in
81.9 in
Width Incl. Mirrors
80.8 in
54.8 in
Height
51.2 in
Blueprint BMW 640i Gran Coupé Steptronic (13 - 14)
116.9
197.1
Blueprint Porsche 911 Carrera Coupé 4S PDK (08 - 12)
92.5
174.6
197.1 in
Length
174.6 in
116.9 in
Wheelbase
92.5 in

Vehicle Weight

BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4S
4023 lb
Curb Weight
3494 lb
5203 lb
Gross Vehicle
Weight
4211 lb
BMW 640i Gran Coupé Steptronic (13 - 14)
Weight Difference:
529 lb
13.15 %
Porsche 911 Carrera Coupé 4S PDK (08 - 12)

General

BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4S
F06
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
7-speed dual clutch transmission

Engine

BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4S
Straight-six gasoline engine with tur­bo­charger
Engine Type
6-cylinder boxer gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
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
380 hp
at 6500 rpm
BMW 640i Gran Coupé
316 hp
380 hp
Porsche 911 Carrera Coupé 4S
332 lb‑ft
at 1300 rpm
Max. Torque
310 lb‑ft
at 4400 rpm
BMW 640i Gran Coupé
332 lb‑ft
310 lb‑ft
Porsche 911 Carrera Coupé 4S

Performance

BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4S
155 mph
Maximum Speed
183 mph
5.4 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph 62
mph

246 ft
0.000 sec

BMW 640i Gran Coupé

62 mph 62
mph

207 ft
0.000 sec

Porsche 911 Carrera Coupé 4S

▶ REPLAY
12.73 lb/hp
Weight-to-Power Ratio
9.19 lb/hp
BMW 640i Gran Coupé
12.73 lb/hp
9.19 lb/hp
Porsche 911 Carrera Coupé 4S

Fuel Economy / Emissions

BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4S
Fuel Economy
30 mpg
combined
22 mpg
BMW 640i Gran Coupé
30 mpg
22 mpg
Porsche 911 Carrera Coupé 4S
22 mpg
city
15 mpg
No data
highway
32 mpg
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
17.7 gal
Kraftstoffanzeige
557 mi
Range
396 mi
BMW 640i Gran Coupé
557 mi
396 mi
Porsche 911 Carrera Coupé 4S
Environmental Impact
147.7 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).
198.9 kWh
BMW 640i Gran Coupé
147.7 kWh
198.9 kWh
Porsche 911 Carrera Coupé 4S
Euro 6b (NEFZ)
Emission Standard
Euro 5
291 g/mi (NEFZ)
CO2 Emissions
398 g/mi (NEFZ)

Practical Convenience

BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4S
4
Doors
2
5
No. of Seats
4
1179 lb
Maximum Payload
717 lb
13 cu ft
Trunk Volume
3 cu ft
No data
Cargo Volume (Seats Down)
No data