The Comparative Analysis :

BMW 640i Coupé Steptronic (13 - 14) vs. Porsche 911 Carrera Coupé S PDK (17 - 18)

€ 75,300
BMW 640i Coupé Steptronic (13 - 14) BMW 640i Coupé
€ 125,700
 Porsche 911 Carrera Coupé S PDK (17 - 18) Porsche 911 Carrera Coupé S
€ 75,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 125,700

ⓘ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 15.6 inches longer, 3.4 inches wider and 2.9 inches taller than the Porsche 911 Carrera Coupé S.
BMW 640i Coupé
Porsche 911 Carrera Coupé S
53.9
Blueprint BMW 640i Coupé Steptronic (13 - 14)
74.6
81.9
51
Blueprint Porsche 911 Carrera Coupé S PDK (17 - 18)
71.2
77.9
74.6 in
Width
71.2 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 S PDK (17 - 18)
96.5
177.1
192.7 in
Length
177.1 in
112.4 in
Wheelbase
96.5 in

Vehicle Weight

BMW 640i Coupé
Porsche 911 Carrera Coupé S
3825 lb
Curb Weight
3384 lb
4806 lb
Gross Vehicle
Weight
4222 lb
BMW 640i Coupé Steptronic (13 - 14)
Weight Difference:
441 lb
11.53 %
Porsche 911 Carrera Coupé S PDK (17 - 18)

General

BMW 640i Coupé
Porsche 911 Carrera Coupé S
F13
Generation
991
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed dual clutch transmission

Engine

BMW 640i Coupé
Porsche 911 Carrera Coupé S
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 L / 147 cu in
316 hp
at 5800 rpm
Power
444 hp
at 6500 rpm
BMW 640i Coupé
316 hp
444 hp
Porsche 911 Carrera Coupé S
332 lb‑ft
at 1300 rpm
Max. Torque
406 lb‑ft
at 2150 rpm
BMW 640i Coupé
332 lb‑ft
406 lb‑ft
Porsche 911 Carrera Coupé S

Performance

BMW 640i Coupé
Porsche 911 Carrera Coupé S
155 mph
Maximum Speed
193 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 Carrera Coupé S

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

Fuel Economy / Emissions

BMW 640i Coupé
Porsche 911 Carrera Coupé S
Fuel Economy
31 mpg
combined
28 mpg
BMW 640i Coupé
31 mpg
28 mpg
Porsche 911 Carrera Coupé S
22 mpg
city
22 mpg
No data
highway
34 mpg
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
572 mi
Range
479 mi
BMW 640i Coupé
572 mi
479 mi
Porsche 911 Carrera Coupé S
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).
157.2 kWh
BMW 640i Coupé
144 kWh
157.2 kWh
Porsche 911 Carrera Coupé S
Euro 6b (NEFZ)
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
285 g/mi (NEFZ)
CO2 Emissions
303 g/mi (NEFZ)

Practical Convenience

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