The Comparative Analysis :

BMW 640i Coupé xDrive Steptronic (15 - 17) vs. Porsche 911 Turbo Coupé S PDK (16 - 18)

€ 85,300
BMW 640i Coupé xDrive Steptronic (15 - 17) BMW 640i Coupé
€ 205,100
 Porsche 911 Turbo Coupé S PDK (16 - 18) Porsche 911 Turbo Coupé S
€ 85,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 205,100

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The BMW 640i Coupé is considerably bigger in every dimension. It's 15.2 inches longer, 0.6 inches wider and 2.8 inches taller than the Porsche 911 Turbo Coupé S.
BMW 640i Coupé
Porsche 911 Turbo Coupé S
53.9
Blueprint BMW 640i Coupé xDrive Steptronic (15 - 17)
74.6
81.9
51.1
Blueprint Porsche 911 Turbo Coupé S PDK (16 - 18)
74
77.9
74.6 in
Width
74 in
81.9 in
Width Incl. Mirrors
77.9 in
53.9 in
Height
51.1 in
Blueprint BMW 640i Coupé xDrive Steptronic (15 - 17)
112.4
192.7
Blueprint Porsche 911 Turbo Coupé S PDK (16 - 18)
96.5
177.4
192.7 in
Length
177.4 in
112.4 in
Wheelbase
96.5 in

Vehicle Weight

BMW 640i Coupé
Porsche 911 Turbo Coupé S
4057 lb
Curb Weight
3693 lb
4993 lb
Gross Vehicle
Weight
4387 lb
BMW 640i Coupé xDrive Steptronic (15 - 17)
Weight Difference:
364 lb
8.97 %
Porsche 911 Turbo Coupé S PDK (16 - 18)

General

BMW 640i Coupé
Porsche 911 Turbo Coupé S
F13
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 Coupé
Porsche 911 Turbo 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
3.8 L / 186 cu in
316 hp
at 5800 rpm
Power
572 hp
at 6750 rpm
BMW 640i Coupé
316 hp
572 hp
Porsche 911 Turbo Coupé S
332 lb‑ft
at 1300 rpm
Max. Torque
516 lb‑ft
at 2100 rpm
BMW 640i Coupé
332 lb‑ft
516 lb‑ft
Porsche 911 Turbo Coupé S

Performance

BMW 640i Coupé
Porsche 911 Turbo Coupé S
155 mph
Maximum Speed
205 mph
5.2 sec
Acceleration 0 to 62 mph
2.9 sec
62 mph 62
mph

236 ft
0.000 sec

BMW 640i Coupé

62 mph 62
mph

131 ft
0.000 sec

Porsche 911 Turbo Coupé S

▶ REPLAY
12.84 lb/hp
Weight-to-Power Ratio
6.46 lb/hp
BMW 640i Coupé
12.84 lb/hp
6.46 lb/hp
Porsche 911 Turbo Coupé S

Fuel Economy / Emissions

BMW 640i Coupé
Porsche 911 Turbo Coupé S
Fuel Economy
29 mpg
combined
26 mpg
BMW 640i Coupé
29 mpg
26 mpg
Porsche 911 Turbo Coupé S
21 mpg
city
20 mpg
No data
highway
31 mpg
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
18 gal
Kraftstoffanzeige
544 mi
Range
464 mi
BMW 640i Coupé
544 mi
464 mi
Porsche 911 Turbo Coupé S
Environmental Impact
151.6 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 Coupé
151.6 kWh
172.4 kWh
Porsche 911 Turbo Coupé S
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
301 g/mi (NEFZ)
CO2 Emissions
341 g/mi (NEFZ)

Practical Convenience

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