The Comparative Analysis :

Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (07 - 10) vs. BMW 640i Convertible Steptronic (15 - 18)

€ 450,700
Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (07 - 10) Rolls-Royce Phantom Drophead Coupé 6.8 V12
€ 91,700
 BMW 640i Convertible Steptronic (15 - 18) BMW 640i Cabrio
€ 450,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 91,700

ⓘ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 28.1 inches longer, 3.7 inches wider and 8.5 inches taller than the BMW 640i Cabrio.
Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW 640i Cabrio
62.2
Blueprint Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (07 - 10)
78.2
86.1
53.7
Blueprint BMW 640i Convertible Steptronic (15 - 18)
74.6
81.9
78.2 in
Width
74.6 in
86.1 in
Width Incl. Mirrors
81.9 in
62.2 in
Height
53.7 in
Blueprint Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (07 - 10)
130.7
220.8
Blueprint BMW 640i Convertible Steptronic (15 - 18)
112.4
192.7
220.8 in
Length
192.7 in
130.7 in
Wheelbase
112.4 in

Vehicle Weight

Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW 640i Cabrio
5776 lb
Curb Weight
4178 lb
6724 lb
Gross Vehicle
Weight
5126 lb
Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (07 - 10)
Weight Difference:
1598 lb
27.67 %
BMW 640i Convertible Steptronic (15 - 18)

General

Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW 640i Cabrio
RR2
Generation
F12
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
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 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-six gasoline engine with tur­bo­charger
Engine Series
BMW N55
Engine Code
N55-B30
4
Valves
4
12
Cylinders
6
6.7 L / 328 cu in
Displacement
3 L / 147 cu in
454 hp
at 5350 rpm
Power
316 hp
at 5800 rpm
Rolls-Royce Phantom Drophead Coupé 6.8 V12
454 hp
316 hp
BMW 640i Cabrio
531 lb‑ft
at 3500 rpm
Max. Torque
332 lb‑ft
at 1300 rpm
Rolls-Royce Phantom Drophead Coupé 6.8 V12
531 lb‑ft
332 lb‑ft
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
5.5 sec
62 mph 62
mph

266 ft
0.000 sec

Rolls-Royce Phantom Drophead Coupé 6.8 V12

62 mph 62
mph

249 ft
0.000 sec

BMW 640i Cabrio

▶ REPLAY
12.72 lb/hp
Weight-to-Power Ratio
13.22 lb/hp
Rolls-Royce Phantom Drophead Coupé 6.8 V12
12.72 lb/hp
13.22 lb/hp
BMW 640i Cabrio

Fuel Economy / Emissions

Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW 640i Cabrio
Fuel Economy
15 mpg
combined
31 mpg
Rolls-Royce Phantom Drophead Coupé 6.8 V12
15 mpg
31 mpg
BMW 640i Cabrio
10 mpg
city
22 mpg
21 mpg
highway
No data
Kraftstoffanzeige
21.1 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
313 mi
Range
565 mi
Rolls-Royce Phantom Drophead Coupé 6.8 V12
313 mi
565 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).
145.8 kWh
Rolls-Royce Phantom Drophead Coupé 6.8 V12
301.3 kWh
145.8 kWh
BMW 640i Cabrio
Euro 4 III
Emission Standard
Euro 6b (NEFZ)
620 g/mi (NEFZ)
CO2 Emissions
288 g/mi (NEFZ)

Practical Convenience

Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW 640i Cabrio
2
Doors
2
4
No. of Seats
4
948 lb
Maximum Payload
948 lb
8.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data