The Comparative Analysis :

BMW 640i Coupé Steptronic (13 - 14) vs. Porsche 911 Carrera Coupé 4S (12 - 15)

€ 75,300
BMW 640i Coupé Steptronic (13 - 14) BMW 640i Coupé
€ 112,300
 Porsche 911 Carrera Coupé 4S (12 - 15) Porsche 911 Carrera Coupé 4S
€ 75,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 112,300

ⓘ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 15.9 inches longer, 1.7 inches wider and 2.9 inches taller than the Porsche 911 Carrera Coupé 4S.
BMW 640i Coupé
Porsche 911 Carrera Coupé 4S
53.9
Blueprint BMW 640i Coupé Steptronic (13 - 14)
74.6
81.9
51
Blueprint Porsche 911 Carrera Coupé 4S (12 - 15)
72.9
77.9
74.6 in
Width
72.9 in
81.9 in
Width Incl. Mirrors
77.9 in
53.9 in
Height
51 in
Blueprint BMW 640i Coupé Steptronic (13 - 14)
112.4
192.7
Blueprint Porsche 911 Carrera Coupé 4S (12 - 15)
96.5
176.8
192.7 in
Length
176.8 in
112.4 in
Wheelbase
96.5 in

Vehicle Weight

BMW 640i Coupé
Porsche 911 Carrera Coupé 4S
3825 lb
Curb Weight
3351 lb
4806 lb
Gross Vehicle
Weight
4134 lb
BMW 640i Coupé Steptronic (13 - 14)
Weight Difference:
474 lb
12.39 %
Porsche 911 Carrera Coupé 4S (12 - 15)

General

BMW 640i Coupé
Porsche 911 Carrera Coupé 4S
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 manual transmission

Engine

BMW 640i 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
395 hp
at 7400 rpm
BMW 640i Coupé
316 hp
395 hp
Porsche 911 Carrera Coupé 4S
332 lb‑ft
at 1300 rpm
Max. Torque
325 lb‑ft
at 5600 rpm
BMW 640i Coupé
332 lb‑ft
325 lb‑ft
Porsche 911 Carrera Coupé 4S

Performance

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

246 ft
0.000 sec

BMW 640i Coupé

62 mph 62
mph

207 ft
0.000 sec

Porsche 911 Carrera Coupé 4S

▶ REPLAY
12.1 lb/hp
Weight-to-Power Ratio
8.48 lb/hp
BMW 640i Coupé
12.1 lb/hp
8.48 lb/hp
Porsche 911 Carrera Coupé 4S

Fuel Economy / Emissions

BMW 640i Coupé
Porsche 911 Carrera Coupé 4S
Fuel Economy
31 mpg
combined
24 mpg
BMW 640i Coupé
31 mpg
24 mpg
Porsche 911 Carrera Coupé 4S
22 mpg
city
17 mpg
No data
highway
31 mpg
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
18 gal
Kraftstoffanzeige
572 mi
Range
427 mi
BMW 640i Coupé
572 mi
427 mi
Porsche 911 Carrera Coupé 4S
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).
187.5 kWh
BMW 640i Coupé
144 kWh
187.5 kWh
Porsche 911 Carrera Coupé 4S
Euro 6b (NEFZ)
Emission Standard
Euro 5 / Euro 6
285 g/mi (NEFZ)
CO2 Emissions
377 g/mi (NEFZ)

Practical Convenience

BMW 640i Coupé
Porsche 911 Carrera Coupé 4S
2
Doors
2
4
No. of Seats
4
981 lb
Maximum Payload
783 lb
13 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data