The Comparative Analysis :

BMW 640i Gran Coupé Steptronic (13 - 14) vs. Porsche 911 Turbo Coupé PDK (16 - 18)

€ 79,900
BMW 640i Gran Coupé Steptronic (13 - 14) BMW 640i Gran Coupé
€ 176,900
 Porsche 911 Turbo Coupé PDK (16 - 18) Porsche 911 Turbo Coupé
€ 79,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 176,900

ⓘ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 19.7 inches longer, 0.6 inches wider and 3.7 inches taller than the Porsche 911 Turbo Coupé.
BMW 640i Gran Coupé
Porsche 911 Turbo Coupé
54.8
Blueprint BMW 640i Gran Coupé Steptronic (13 - 14)
74.6
81.9
51.1
Blueprint Porsche 911 Turbo Coupé PDK (16 - 18)
74
77.9
74.6 in
Width
74 in
81.9 in
Width Incl. Mirrors
77.9 in
54.8 in
Height
51.1 in
Blueprint BMW 640i Gran Coupé Steptronic (13 - 14)
116.9
197.1
Blueprint Porsche 911 Turbo Coupé PDK (16 - 18)
96.5
177.4
197.1 in
Length
177.4 in
116.9 in
Wheelbase
96.5 in

Vehicle Weight

BMW 640i Gran Coupé
Porsche 911 Turbo Coupé
4023 lb
Curb Weight
3682 lb
5203 lb
Gross Vehicle
Weight
4431 lb
BMW 640i Gran Coupé Steptronic (13 - 14)
Weight Difference:
342 lb
8.5 %
Porsche 911 Turbo Coupé PDK (16 - 18)

General

BMW 640i Gran Coupé
Porsche 911 Turbo Coupé
F06
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 dual clutch transmission

Engine

BMW 640i Gran Coupé
Porsche 911 Turbo Coupé
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
3.8 L / 186 cu in
316 hp
at 5800 rpm
Power
533 hp
at 6400 rpm
BMW 640i Gran Coupé
316 hp
533 hp
Porsche 911 Turbo Coupé
332 lb‑ft
at 1300 rpm
Max. Torque
487 lb‑ft
at 1950 rpm
BMW 640i Gran Coupé
332 lb‑ft
487 lb‑ft
Porsche 911 Turbo Coupé

Performance

BMW 640i Gran Coupé
Porsche 911 Turbo Coupé
155 mph
Maximum Speed
199 mph
5.4 sec
Acceleration 0 to 62 mph
3 sec
62 mph 62
mph

246 ft
0.000 sec

BMW 640i Gran Coupé

62 mph 62
mph

138 ft
0.000 sec

Porsche 911 Turbo Coupé

▶ REPLAY
12.73 lb/hp
Weight-to-Power Ratio
6.91 lb/hp
BMW 640i Gran Coupé
12.73 lb/hp
6.91 lb/hp
Porsche 911 Turbo Coupé

Fuel Economy / Emissions

BMW 640i Gran Coupé
Porsche 911 Turbo Coupé
Fuel Economy
30 mpg
combined
26 mpg
BMW 640i Gran Coupé
30 mpg
26 mpg
Porsche 911 Turbo Coupé
22 mpg
city
20 mpg
No data
highway
31 mpg
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
18 gal
Kraftstoffanzeige
557 mi
Range
464 mi
BMW 640i Gran Coupé
557 mi
464 mi
Porsche 911 Turbo Coupé
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).
172.4 kWh
BMW 640i Gran Coupé
147.7 kWh
172.4 kWh
Porsche 911 Turbo Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
291 g/mi (NEFZ)
CO2 Emissions
341 g/mi (NEFZ)

Practical Convenience

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