The Comparative Analysis :
Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (10 - 17) vs. BMW 640i Cabrio xDrive Automatic (13 - 13)
€ 465,600

€ 87,300

€ 465,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 87,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Rolls-Royce Phantom Drophead Coupé 6.8 V12 is substantially bigger in every dimension. It's 71.8 cm longer, 9.3 cm wider and 20.1 cm taller than the BMW 640i Cabrio.
Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW 640i Cabrio
1566
1987
2187
1365
1894
2081
1987 mm
Width
1894 mm
2187 mm
Width Incl. Mirrors
2081 mm
1566 mm
Height
1365 mm
3320
5612
2855
4894
5612 mm
Length
4894 mm
3320 mm
Wheelbase
2855 mm
Vehicle Weight
Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW 640i Cabrio
2620 kg
Kerb Weight
1985 kg
3050 kg
Gross Vehicle
Weight
Weight
2400 kg

Weight Difference:
635 kg
24.24 %

General
Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW 640i Cabrio
RR2
Generation
F12
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Rear-wheel drive
Drive
Permanent all-wheel drive

6-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW 640i Cabrio
V12 petrol engine (naturally aspirated engine)
Engine Type
Straight-six petrol engine with turbocharger
Engine Series
BMW N55
Engine Code
N55-B30

4
Valves
4
12
Cylinders
6
6749 CC
Engine Capacity
2979 CC
454 bhp
at 5350 rpm
Power
316 bhp
at 5800 rpm
Rolls-Royce Phantom Drophead Coupé 6.8 V12
454 bhp
316 bhp
BMW 640i Cabrio
720 NM
at 3500 rpm
Max. Torque
450 NM
at 1300 rpm
Rolls-Royce Phantom Drophead Coupé 6.8 V12
720 NM
450 NM
BMW 640i Cabrio
Performance
Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW 640i Cabrio
149 mph
Maximum Speed
155 mph
5.8 sec
Acceleration 0 to 62 mph
5.4 sec
62 mph
62
mph
mph
81 m
0.000 sec

Rolls-Royce Phantom Drophead Coupé 6.8 V12
62 mph
62
mph
mph
75 m
0.000 sec

BMW 640i Cabrio
▶ REPLAY
5.77 kg/bhp
Weight-to-Power Ratio
6.28 kg/bhp
Rolls-Royce Phantom Drophead Coupé 6.8 V12
5.77 kg/bhp
6.28 kg/bhp
BMW 640i Cabrio
Fuel Economy / Emissions
Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW 640i Cabrio
Fuel Economy
19 mpg
combined
34 mpg
Rolls-Royce Phantom Drophead Coupé 6.8 V12
19 mpg
34 mpg
BMW 640i Cabrio
12 mpg
city
25 mpg
28 mpg
motorway
No data
80 L
Fuel Tank Capacity
70 L
336 mi
Range
531 mi
Rolls-Royce Phantom Drophead Coupé 6.8 V12
336 mi
531 mi
BMW 640i Cabrio
Environmental Impact
280.3 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).
155.3 kWh
Rolls-Royce Phantom Drophead Coupé 6.8 V12
280.3 kWh
155.3 kWh
BMW 640i Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 5
347 g/km (NEFZ)
CO2 Emissions
192 g/km (NEFZ)
Practical Convenience
Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW 640i Cabrio
2
Doors
2
4
No. of Seats
4
430 kg
Maximum Payload
415 kg
315 L
Boot Capacity
350 L







No data
Boot Capacity (Seats Down)
No data