The Comparative Analysis :

Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (07 - 10) vs. BMW 640i Cabrio Automatic (11 - 13)

€ 450,700
Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (07 - 10) Rolls-Royce Phantom Drophead Coupé 6.8 V12
€ 83,900
 BMW 640i Cabrio Automatic (11 - 13) BMW 640i Cabrio
€ 450,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 83,900

ⓘ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 71.5 cm longer, 9.3 cm wider and 21.6 cm taller than the BMW 640i Cabrio.
Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW 640i Cabrio
1581
Blueprint Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (07 - 10)
1987
2187
1365
Blueprint BMW 640i Cabrio Automatic (11 - 13)
1894
2081
1987 mm
Width
1894 mm
2187 mm
Width Incl. Mirrors
2081 mm
1581 mm
Height
1365 mm
Blueprint Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (07 - 10)
3320
5609
Blueprint BMW 640i Cabrio Automatic (11 - 13)
2855
4894
5609 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
1915 kg
3050 kg
Gross Vehicle
Weight
2290 kg
Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (07 - 10)
Weight Difference:
705 kg
26.91 %
BMW 640i Cabrio Automatic (11 - 13)

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
Rear-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
5.7 sec
62 mph 62
mph

81 m
0.000 sec

Rolls-Royce Phantom Drophead Coupé 6.8 V12

62 mph 62
mph

79 m
0.000 sec

BMW 640i Cabrio

▶ REPLAY
5.77 kg/bhp
Weight-to-Power Ratio
6.06 kg/bhp
Rolls-Royce Phantom Drophead Coupé 6.8 V12
5.77 kg/bhp
6.06 kg/bhp
BMW 640i Cabrio

Fuel Economy / Emissions

Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW 640i Cabrio
Fuel Economy
18 mpg
combined
36 mpg
Rolls-Royce Phantom Drophead Coupé 6.8 V12
18 mpg
36 mpg
BMW 640i Cabrio
11 mpg
city
26 mpg
26 mpg
motorway
No data
Kraftstoffanzeige
80 L
Fuel Tank Capacity
70 L
Kraftstoffanzeige
313 mi
Range
557 mi
Rolls-Royce Phantom Drophead Coupé 6.8 V12
313 mi
557 mi
BMW 640i Cabrio
Environmental Impact
301.3 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).
147.7 kWh
Rolls-Royce Phantom Drophead Coupé 6.8 V12
301.3 kWh
147.7 kWh
BMW 640i Cabrio
Euro 4 III
Emission Standard
Euro 5
385 g/km (NEFZ)
CO2 Emissions
181 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
375 kg
315 L
Boot Capacity
350 L
No data
Boot Capacity (Seats Down)
No data