The Comparative Analysis :
BMW 650i Convertible Automatic (12 - 13) vs. Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (10 - 17)
€ 95,900

€ 465,600

€ 95,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 465,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 650i Cabrio is substantially smaller in every dimension. It's 28.3 inches shorter, 3.7 inches narrower and 7.9 inches lower than the Rolls-Royce Phantom Drophead Coupé 6.8 V12.
BMW 650i Cabrio
Rolls-Royce Phantom Drophead Coupé 6.8 V12
53.7
74.6
81.9
61.7
78.2
86.1
74.6 in
Width
78.2 in
81.9 in
Width Incl. Mirrors
86.1 in
53.7 in
Height
61.7 in
112.4
192.7
130.7
220.9
192.7 in
Length
220.9 in
112.4 in
Wheelbase
130.7 in
Vehicle Weight
BMW 650i Cabrio
Rolls-Royce Phantom Drophead Coupé 6.8 V12
4442 lb
Curb Weight
5776 lb
5269 lb
Gross Vehicle
Weight
Weight
6724 lb

Weight Difference:
1334 lb
23.1 %

General
BMW 650i Cabrio
Rolls-Royce Phantom Drophead Coupé 6.8 V12
F12
Generation
RR2
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

8-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
BMW 650i Cabrio
Rolls-Royce Phantom Drophead Coupé 6.8 V12
V8 gasoline engine with two turbochargers (biturbo)
Engine Type
V12 gasoline engine (naturally aspirated engine)
BMW N63
Engine Series
N63-B44
Engine Code
4
Valves
4
8
Cylinders
12
4.4 L / 215 cu in
Displacement
6.7 L / 328 cu in
444 hp
at 5500 rpm
Power
454 hp
at 5350 rpm
BMW 650i Cabrio
444 hp
454 hp
Rolls-Royce Phantom Drophead Coupé 6.8 V12
479 lb‑ft
at 2000 rpm
Max. Torque
531 lb‑ft
at 3500 rpm
BMW 650i Cabrio
479 lb‑ft
531 lb‑ft
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Performance
BMW 650i Cabrio
Rolls-Royce Phantom Drophead Coupé 6.8 V12
155 mph
Maximum Speed
149 mph
5 sec
Acceleration 0 to 62 mph
5.8 sec
62 mph
62
mph
mph
226 ft
0.000 sec

BMW 650i Cabrio
62 mph
62
mph
mph
266 ft
0.000 sec

Rolls-Royce Phantom Drophead Coupé 6.8 V12
▶ REPLAY
10 lb/hp
Weight-to-Power Ratio
12.72 lb/hp
BMW 650i Cabrio
10 lb/hp
12.72 lb/hp
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Fuel Economy / Emissions
BMW 650i Cabrio
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Fuel Economy
26 mpg
combined
16 mpg
BMW 650i Cabrio
26 mpg
16 mpg
Rolls-Royce Phantom Drophead Coupé 6.8 V12
19 mpg
city
10 mpg
No data
highway
23 mpg
18.5 gal
Fuel Tank Capacity
21.1 gal
489 mi
Range
336 mi
BMW 650i Cabrio
489 mi
336 mi
Rolls-Royce Phantom Drophead Coupé 6.8 V12
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).
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).
280.3 kWh
BMW 650i Cabrio
168.7 kWh
280.3 kWh
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Euro 5
Emission Standard
Euro 6b (NEFZ)
335 g/mi (NEFZ)
CO2 Emissions
558 g/mi (NEFZ)
Practical Convenience
BMW 650i Cabrio
Rolls-Royce Phantom Drophead Coupé 6.8 V12
2
Doors
2
4
No. of Seats
4
827 lb
Maximum Payload
948 lb
9.9 cu ft
Trunk Volume
8.9 cu ft







No data
Cargo Volume (Seats Down)
No data