The Comparative Analysis :

Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (07 - 10) vs. BMW 840i Convertible xDrive Steptronic (19 - ..)

€ 450,700
Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (07 - 10) Rolls-Royce Phantom Drophead Coupé 6.8 V12
€ 105,800
 BMW 840i Convertible xDrive Steptronic (19 - ..) BMW 840i Cabrio
€ 450,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 105,800

ⓘ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 30.2 inches longer, 3.3 inches wider and 9.5 inches taller than the BMW 840i Cabrio.
Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW 840i Cabrio
62.2
Blueprint Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (07 - 10)
78.2
86.1
52.7
Blueprint BMW 840i Convertible xDrive Steptronic (19 - ..)
74.9
84.1
78.2 in
Width
74.9 in
86.1 in
Width Incl. Mirrors
84.1 in
62.2 in
Height
52.7 in
Blueprint Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (07 - 10)
130.7
220.8
Blueprint BMW 840i Convertible xDrive Steptronic (19 - ..)
111.1
190.7
220.8 in
Length
190.7 in
130.7 in
Wheelbase
111.1 in

Vehicle Weight

Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW 840i Cabrio
5776 lb
Curb Weight
4310 lb
6724 lb
Gross Vehicle
Weight
5291 lb
Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (07 - 10)
Weight Difference:
1466 lb
25.38 %
BMW 840i Convertible xDrive Steptronic (19 - ..)

General

Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW 840i Cabrio
RR2
Generation
G14
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
6-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW 840i Cabrio
V12 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-six gasoline engine with tur­bo­charger
Engine Series
BMW B58
Engine Code
B58-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
335 hp
at 5000 rpm
Rolls-Royce Phantom Drophead Coupé 6.8 V12
454 hp
335 hp
BMW 840i Cabrio
531 lb‑ft
at 3500 rpm
Max. Torque
369 lb‑ft
at 1600 rpm
Rolls-Royce Phantom Drophead Coupé 6.8 V12
531 lb‑ft
369 lb‑ft
BMW 840i Cabrio

Performance

Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW 840i Cabrio
149 mph
Maximum Speed
155 mph
5.8 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph 62
mph

266 ft
0.000 sec

Rolls-Royce Phantom Drophead Coupé 6.8 V12

62 mph 62
mph

223 ft
0.000 sec

BMW 840i Cabrio

▶ REPLAY
12.72 lb/hp
Weight-to-Power Ratio
12.87 lb/hp
Rolls-Royce Phantom Drophead Coupé 6.8 V12
12.72 lb/hp
12.87 lb/hp
BMW 840i Cabrio

Fuel Economy / Emissions

Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW 840i Cabrio
Fuel Economy
15 mpg
combined
31 mpg
Rolls-Royce Phantom Drophead Coupé 6.8 V12
15 mpg
31 mpg
BMW 840i Cabrio
10 mpg
city
24 mpg
21 mpg
highway
No data
Kraftstoffanzeige
21.1 gal
Fuel Tank Capacity
18 gal
Kraftstoffanzeige
313 mi
Range
549 mi
Rolls-Royce Phantom Drophead Coupé 6.8 V12
313 mi
549 mi
BMW 840i 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 840i Cabrio
Euro 4 III
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
620 g/mi (NEFZ)
CO2 Emissions
330 g/mi (WLTP)

Practical Convenience

Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW 840i Cabrio
2
Doors
2
4
No. of Seats
4
948 lb
Maximum Payload
981 lb
8.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data