The Comparative Analysis :

BMW 640i Gran Coupé xDrive Steptronic (15 - 18) vs. Porsche 911 Carrera Coupé 4 PDK (12 - 15)

€ 88,300
BMW 640i Gran Coupé xDrive Steptronic (15 - 18) BMW 640i Gran Coupé
€ 101,100
 Porsche 911 Carrera Coupé 4 PDK (12 - 15) Porsche 911 Carrera Coupé 4
€ 88,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 101,100

ⓘ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 20.3 inches longer, 1.7 inches wider and 3.5 inches taller than the Porsche 911 Carrera Coupé 4.
BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4
54.8
Blueprint BMW 640i Gran Coupé xDrive Steptronic (15 - 18)
74.6
81.9
51.3
Blueprint Porsche 911 Carrera Coupé 4 PDK (12 - 15)
72.9
77.9
74.6 in
Width
72.9 in
81.9 in
Width Incl. Mirrors
77.9 in
54.8 in
Height
51.3 in
Blueprint BMW 640i Gran Coupé xDrive Steptronic (15 - 18)
116.9
197.1
Blueprint Porsche 911 Carrera Coupé 4 PDK (12 - 15)
96.5
176.8
197.1 in
Length
176.8 in
116.9 in
Wheelbase
96.5 in

Vehicle Weight

BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4
4189 lb
Curb Weight
3362 lb
5357 lb
Gross Vehicle
Weight
4112 lb
BMW 640i Gran Coupé xDrive Steptronic (15 - 18)
Weight Difference:
827 lb
19.74 %
Porsche 911 Carrera Coupé 4 PDK (12 - 15)

General

BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4
F06
Generation
991
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
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 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
3.4 L / 166 cu in
316 hp
at 5800 rpm
Power
345 hp
at 7400 rpm
BMW 640i Gran Coupé
316 hp
345 hp
Porsche 911 Carrera Coupé 4
332 lb‑ft
at 1300 rpm
Max. Torque
288 lb‑ft
at 5600 rpm
BMW 640i Gran Coupé
332 lb‑ft
288 lb‑ft
Porsche 911 Carrera Coupé 4

Performance

BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4
155 mph
Maximum Speed
176 mph
5.3 sec
Acceleration 0 to 62 mph
4.7 sec
62 mph 62
mph

243 ft
0.000 sec

BMW 640i Gran Coupé

62 mph 62
mph

213 ft
0.000 sec

Porsche 911 Carrera Coupé 4

▶ REPLAY
13.26 lb/hp
Weight-to-Power Ratio
9.74 lb/hp
BMW 640i Gran Coupé
13.26 lb/hp
9.74 lb/hp
Porsche 911 Carrera Coupé 4

Fuel Economy / Emissions

BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4
Fuel Economy
29 mpg
combined
27 mpg
BMW 640i Gran Coupé
29 mpg
27 mpg
Porsche 911 Carrera Coupé 4
21 mpg
city
20 mpg
No data
highway
35 mpg
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
18 gal
Kraftstoffanzeige
537 mi
Range
492 mi
BMW 640i Gran Coupé
537 mi
492 mi
Porsche 911 Carrera Coupé 4
Environmental Impact
153.5 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).
162.9 kWh
BMW 640i Gran Coupé
153.5 kWh
162.9 kWh
Porsche 911 Carrera Coupé 4
Euro 6b (NEFZ)
Emission Standard
Euro 5 / Euro 6
303 g/mi (NEFZ)
CO2 Emissions
327 g/mi (NEFZ)

Practical Convenience

BMW 640i Gran Coupé
Porsche 911 Carrera Coupé 4
4
Doors
2
5
No. of Seats
4
1168 lb
Maximum Payload
750 lb
13 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data