The Comparative Analysis :

BMW 650i Convertible Steptronic (15 - 18) vs. Porsche 911 Turbo Convertible S PDK (16 - 18)

€ 103,300
BMW 650i Convertible Steptronic (15 - 18) BMW 650i Cabrio
€ 218,200
 Porsche 911 Turbo Convertible S PDK (16 - 18) Porsche 911 Turbo Convertible S
€ 103,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 218,200

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

Vehicle Dimensions

The BMW 650i Cabrio 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 Convertible S.
BMW 650i Cabrio
Porsche 911 Turbo Convertible S
53.7
Blueprint BMW 650i Convertible Steptronic (15 - 18)
74.6
81.9
50.9
Blueprint Porsche 911 Turbo Convertible S PDK (16 - 18)
74
77.9
74.6 in
Width
74 in
81.9 in
Width Incl. Mirrors
77.9 in
53.7 in
Height
50.9 in
Blueprint BMW 650i Convertible Steptronic (15 - 18)
112.4
192.7
Blueprint Porsche 911 Turbo Convertible 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 650i Cabrio
Porsche 911 Turbo Convertible S
4420 lb
Curb Weight
3847 lb
5346 lb
Gross Vehicle
Weight
4508 lb
BMW 650i Convertible Steptronic (15 - 18)
Weight Difference:
573 lb
12.96 %
Porsche 911 Turbo Convertible S PDK (16 - 18)

General

BMW 650i Cabrio
Porsche 911 Turbo Convertible S
F12
Generation
991
Convertible
Car Body Style
Convertible
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 650i Cabrio
Porsche 911 Turbo Convertible S
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
6-cylinder boxer gasoline engine with two tur­bo­chargers (bi­turbo)
BMW N63
Engine Series
N63-B44
Engine Code
4
Valves
4
8
Cylinders
6
4.4 L / 215 cu in
Displacement
3.8 L / 186 cu in
444 hp
at 5500 rpm
Power
572 hp
at 6750 rpm
BMW 650i Cabrio
444 hp
572 hp
Porsche 911 Turbo Convertible S
479 lb‑ft
at 2000 rpm
Max. Torque
516 lb‑ft
at 5600 rpm
BMW 650i Cabrio
479 lb‑ft
516 lb‑ft
Porsche 911 Turbo Convertible S

Performance

BMW 650i Cabrio
Porsche 911 Turbo Convertible S
155 mph
Maximum Speed
205 mph
4.6 sec
Acceleration 0 to 62 mph
3 sec
62 mph 62
mph

210 ft
0.000 sec

BMW 650i Cabrio

62 mph 62
mph

138 ft
0.000 sec

Porsche 911 Turbo Convertible S

▶ REPLAY
9.95 lb/hp
Weight-to-Power Ratio
6.73 lb/hp
BMW 650i Cabrio
9.95 lb/hp
6.73 lb/hp
Porsche 911 Turbo Convertible S

Fuel Economy / Emissions

BMW 650i Cabrio
Porsche 911 Turbo Convertible S
Fuel Economy
26 mpg
combined
25 mpg
BMW 650i Cabrio
26 mpg
25 mpg
Porsche 911 Turbo Convertible S
19 mpg
city
19 mpg
No data
highway
31 mpg
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
18 gal
Kraftstoffanzeige
489 mi
Range
454 mi
BMW 650i Cabrio
489 mi
454 mi
Porsche 911 Turbo Convertible S
Environmental Impact
168.7 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).
176.2 kWh
BMW 650i Cabrio
168.7 kWh
176.2 kWh
Porsche 911 Turbo Convertible S
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
335 g/mi (NEFZ)
CO2 Emissions
348 g/mi (NEFZ)

Practical Convenience

BMW 650i Cabrio
Porsche 911 Turbo Convertible S
2
Doors
2
4
No. of Seats
4
926 lb
Maximum Payload
661 lb
9.9 cu ft
Trunk Volume
3.3 cu ft
No data
Cargo Volume (Seats Down)
No data