The Comparative Analysis :

BMW 650i Convertible Steptronic (15 - 18) vs. Porsche 911 Carrera Convertible PDK (12 - 15)

€ 103,300
BMW 650i Convertible Steptronic (15 - 18) BMW 650i Cabrio
€ 106,700
 Porsche 911 Carrera Convertible PDK (12 - 15) Porsche 911 Carrera Convertible
€ 103,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 106,700

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

Vehicle Dimensions

The BMW 650i Cabrio is significantly bigger in every dimension. It's 15.9 inches longer, 3.4 inches wider and 2.6 inches taller than the Porsche 911 Carrera Convertible.
BMW 650i Cabrio
Porsche 911 Carrera Convertible
53.7
Blueprint BMW 650i Convertible Steptronic (15 - 18)
74.6
81.9
51.1
Blueprint Porsche 911 Carrera Convertible PDK (12 - 15)
71.2
77.9
74.6 in
Width
71.2 in
81.9 in
Width Incl. Mirrors
77.9 in
53.7 in
Height
51.1 in
Blueprint BMW 650i Convertible Steptronic (15 - 18)
112.4
192.7
Blueprint Porsche 911 Carrera Convertible PDK (12 - 15)
96.5
176.8
192.7 in
Length
176.8 in
112.4 in
Wheelbase
96.5 in

Vehicle Weight

BMW 650i Cabrio
Porsche 911 Carrera Convertible
4420 lb
Curb Weight
3406 lb
5346 lb
Gross Vehicle
Weight
4123 lb
BMW 650i Convertible Steptronic (15 - 18)
Weight Difference:
1014 lb
22.94 %
Porsche 911 Carrera Convertible PDK (12 - 15)

General

BMW 650i Cabrio
Porsche 911 Carrera Convertible
F12
Generation
991
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed dual clutch transmission

Engine

BMW 650i Cabrio
Porsche 911 Carrera Convertible
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
6-cylinder boxer gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
BMW N63
Engine Series
N63-B44
Engine Code
4
Valves
4
8
Cylinders
6
4.4 L / 215 cu in
Displacement
3.4 L / 166 cu in
444 hp
at 5500 rpm
Power
345 hp
at 7400 rpm
BMW 650i Cabrio
444 hp
345 hp
Porsche 911 Carrera Convertible
479 lb‑ft
at 2000 rpm
Max. Torque
288 lb‑ft
at 5600 rpm
BMW 650i Cabrio
479 lb‑ft
288 lb‑ft
Porsche 911 Carrera Convertible

Performance

BMW 650i Cabrio
Porsche 911 Carrera Convertible
155 mph
Maximum Speed
176 mph
4.6 sec
Acceleration 0 to 62 mph
4.8 sec
62 mph 62
mph

210 ft
0.000 sec

BMW 650i Cabrio

62 mph 62
mph

220 ft
0.000 sec

Porsche 911 Carrera Convertible

▶ REPLAY
9.95 lb/hp
Weight-to-Power Ratio
9.87 lb/hp
BMW 650i Cabrio
9.95 lb/hp
9.87 lb/hp
Porsche 911 Carrera Convertible

Fuel Economy / Emissions

BMW 650i Cabrio
Porsche 911 Carrera Convertible
Fuel Economy
26 mpg
combined
28 mpg
BMW 650i Cabrio
26 mpg
28 mpg
Porsche 911 Carrera Convertible
19 mpg
city
21 mpg
No data
highway
35 mpg
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
489 mi
Range
473 mi
BMW 650i Cabrio
489 mi
473 mi
Porsche 911 Carrera Convertible
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).
159.2 kWh
BMW 650i Cabrio
168.7 kWh
159.2 kWh
Porsche 911 Carrera Convertible
Euro 6b (NEFZ)
Emission Standard
Euro 5 / Euro 6
335 g/mi (NEFZ)
CO2 Emissions
319 g/mi (NEFZ)

Practical Convenience

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