The Comparative Analysis :

Rolls-Royce Ghost Dawn 6.6 V12 Automatic (18 - ..) vs. BMW 640i Convertible Automatic (11 - 13)

€ 333,200
Rolls-Royce Ghost Dawn 6.6 V12 Automatic (18 - ..) Rolls-Royce Ghost 6.6 V12
€ 83,900
 BMW 640i Convertible Automatic (11 - 13) BMW 640i Cabrio
€ 333,200
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 Ghost 6.6 V12 is significantly bigger in every dimension. It's 15.4 inches longer, 2.1 inches wider and 5.4 inches taller than the BMW 640i Cabrio.
Rolls-Royce Ghost 6.6 V12
BMW 640i Cabrio
59.1
Blueprint Rolls-Royce Ghost Dawn 6.6 V12 Automatic (18 - ..)
76.7
84.5
53.7
Blueprint BMW 640i Convertible Automatic (11 - 13)
74.6
81.9
76.7 in
Width
74.6 in
84.5 in
Width Incl. Mirrors
81.9 in
59.1 in
Height
53.7 in
Blueprint Rolls-Royce Ghost Dawn 6.6 V12 Automatic (18 - ..)
122.5
208.1
Blueprint BMW 640i Convertible Automatic (11 - 13)
112.4
192.7
208.1 in
Length
192.7 in
122.5 in
Wheelbase
112.4 in

Vehicle Weight

Rolls-Royce Ghost 6.6 V12
BMW 640i Cabrio
5644 lb
Curb Weight
4222 lb
6195 lb
Gross Vehicle
Weight
5049 lb
Rolls-Royce Ghost Dawn 6.6 V12 Automatic (18 - ..)
Weight Difference:
1422 lb
25.2 %
BMW 640i Convertible Automatic (11 - 13)

General

Rolls-Royce Ghost 6.6 V12
BMW 640i Cabrio
RR6
Generation
F12
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

Rolls-Royce Ghost 6.6 V12
BMW 640i Cabrio
V12 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-six gasoline engine with tur­bo­charger
Engine Series
BMW N55
Engine Code
N55-B30
4
Valves
4
12
Cylinders
6
6.6 L / 323 cu in
Displacement
3 L / 147 cu in
562 hp
at 5250 rpm
Power
316 hp
at 5800 rpm
Rolls-Royce Ghost 6.6 V12
562 hp
316 hp
BMW 640i Cabrio
605 lb‑ft
at 1500 rpm
Max. Torque
332 lb‑ft
at 1300 rpm
Rolls-Royce Ghost 6.6 V12
605 lb‑ft
332 lb‑ft
BMW 640i Cabrio

Performance

Rolls-Royce Ghost 6.6 V12
BMW 640i Cabrio
155 mph
Maximum Speed
155 mph
5 sec
Acceleration 0 to 62 mph
5.7 sec
62 mph 62
mph

226 ft
0.000 sec

Rolls-Royce Ghost 6.6 V12

62 mph 62
mph

259 ft
0.000 sec

BMW 640i Cabrio

▶ REPLAY
10.04 lb/hp
Weight-to-Power Ratio
13.36 lb/hp
Rolls-Royce Ghost 6.6 V12
10.04 lb/hp
13.36 lb/hp
BMW 640i Cabrio

Fuel Economy / Emissions

Rolls-Royce Ghost 6.6 V12
BMW 640i Cabrio
Fuel Economy
15 mpg
combined
30 mpg
Rolls-Royce Ghost 6.6 V12
15 mpg
30 mpg
BMW 640i Cabrio
10 mpg
city
22 mpg
19 mpg
highway
No data
Kraftstoffanzeige
21.9 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
321 mi
Range
557 mi
Rolls-Royce Ghost 6.6 V12
321 mi
557 mi
BMW 640i Cabrio
Environmental Impact
305 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 Ghost 6.6 V12
305 kWh
147.7 kWh
BMW 640i Cabrio
Euro 6d-TEMP
Emission Standard
Euro 5
591 g/mi (NEFZ)
CO2 Emissions
291 g/mi (NEFZ)

Practical Convenience

Rolls-Royce Ghost 6.6 V12
BMW 640i Cabrio
2
Doors
2
4
No. of Seats
4
551 lb
Maximum Payload
827 lb
9.1 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data