The Comparative Analysis :

BMW 640i Coupé Steptronic (15 - 17) vs. Porsche 911 Carrera Coupé 4 PDK (08 - 12)

€ 81,900
BMW 640i Coupé Steptronic (15 - 17) BMW 640i Coupé
€ 95,800
 Porsche 911 Carrera Coupé 4 PDK (08 - 12) Porsche 911 Carrera Coupé 4
€ 81,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 95,800

ⓘ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 18.1 inches longer, 1.7 inches wider and 2.3 inches taller than the Porsche 911 Carrera Coupé 4.
BMW 640i Coupé
Porsche 911 Carrera Coupé 4
53.9
Blueprint BMW 640i Coupé Steptronic (15 - 17)
74.6
81.9
51.6
Blueprint Porsche 911 Carrera Coupé 4 PDK (08 - 12)
72.9
80.8
74.6 in
Width
72.9 in
81.9 in
Width Incl. Mirrors
80.8 in
53.9 in
Height
51.6 in
Blueprint BMW 640i Coupé Steptronic (15 - 17)
112.4
192.7
Blueprint Porsche 911 Carrera Coupé 4 PDK (08 - 12)
92.5
174.6
192.7 in
Length
174.6 in
112.4 in
Wheelbase
92.5 in

Vehicle Weight

BMW 640i Coupé
Porsche 911 Carrera Coupé 4
3880 lb
Curb Weight
3472 lb
4872 lb
Gross Vehicle
Weight
4189 lb
BMW 640i Coupé Steptronic (15 - 17)
Weight Difference:
408 lb
10.52 %
Porsche 911 Carrera Coupé 4 PDK (08 - 12)

General

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

Engine

BMW 640i Coupé
Porsche 911 Carrera Coupé 4
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
3.6 L / 176 cu in
316 hp
at 5800 rpm
Power
340 hp
at 6500 rpm
BMW 640i Coupé
316 hp
340 hp
Porsche 911 Carrera Coupé 4
332 lb‑ft
at 1300 rpm
Max. Torque
288 lb‑ft
at 4400 rpm
BMW 640i Coupé
332 lb‑ft
288 lb‑ft
Porsche 911 Carrera Coupé 4

Performance

BMW 640i Coupé
Porsche 911 Carrera Coupé 4
155 mph
Maximum Speed
175 mph
5.3 sec
Acceleration 0 to 62 mph
4.8 sec
62 mph 62
mph

243 ft
0.000 sec

BMW 640i Coupé

62 mph 62
mph

220 ft
0.000 sec

Porsche 911 Carrera Coupé 4

▶ REPLAY
12.28 lb/hp
Weight-to-Power Ratio
10.21 lb/hp
BMW 640i Coupé
12.28 lb/hp
10.21 lb/hp
Porsche 911 Carrera Coupé 4

Fuel Economy / Emissions

BMW 640i Coupé
Porsche 911 Carrera Coupé 4
Fuel Economy
31 mpg
combined
23 mpg
BMW 640i Coupé
31 mpg
23 mpg
Porsche 911 Carrera Coupé 4
22 mpg
city
15 mpg
No data
highway
33 mpg
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
17.7 gal
Kraftstoffanzeige
572 mi
Range
412 mi
BMW 640i Coupé
572 mi
412 mi
Porsche 911 Carrera Coupé 4
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).
191.4 kWh
BMW 640i Coupé
144 kWh
191.4 kWh
Porsche 911 Carrera Coupé 4
Euro 6b (NEFZ)
Emission Standard
Euro 5
285 g/mi (NEFZ)
CO2 Emissions
381 g/mi (NEFZ)

Practical Convenience

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