The Comparative Analysis :

Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (10 - 17) vs. BMW 840i Cabrio Steptronic (19 - ..)

€ 465,600
Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (10 - 17) Rolls-Royce Phantom Drophead Coupé 6.8 V12
€ 102,500
 BMW 840i Cabrio Steptronic (19 - ..) BMW 840i Cabrio
€ 465,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 102,500

ⓘ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 76.9 cm longer, 8.5 cm wider and 22.7 cm taller than the BMW 840i Cabrio.
Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW 840i Cabrio
1566
Blueprint Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (10 - 17)
1987
2187
1339
Blueprint BMW 840i Cabrio Steptronic (19 - ..)
1902
2137
1987 mm
Width
1902 mm
2187 mm
Width Incl. Mirrors
2137 mm
1566 mm
Height
1339 mm
Blueprint Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (10 - 17)
3320
5612
Blueprint BMW 840i Cabrio Steptronic (19 - ..)
2822
4843
5612 mm
Length
4843 mm
3320 mm
Wheelbase
2822 mm

Vehicle Weight

Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW 840i Cabrio
2620 kg
Kerb Weight
1905 kg
3050 kg
Gross Vehicle
Weight
2340 kg
Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (10 - 17)
Weight Difference:
715 kg
27.29 %
BMW 840i Cabrio Steptronic (19 - ..)

General

Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW 840i Cabrio
RR2
Generation
G14
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 840i Cabrio
V12 petrol engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-six petrol engine with tur­bo­charger
Engine Series
BMW B58
Engine Code
B58-B30
4
Valves
4
12
Cylinders
6
6749 CC
Engine Capacity
2998 CC
454 bhp
at 5350 rpm
Power
335 bhp
at 5000 rpm
Rolls-Royce Phantom Drophead Coupé 6.8 V12
454 bhp
335 bhp
BMW 840i Cabrio
720 NM
at 3500 rpm
Max. Torque
500 NM
at 1600 rpm
Rolls-Royce Phantom Drophead Coupé 6.8 V12
720 NM
500 NM
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
5.3 sec
62 mph 62
mph

81 m
0.000 sec

Rolls-Royce Phantom Drophead Coupé 6.8 V12

62 mph 62
mph

74 m
0.000 sec

BMW 840i Cabrio

▶ REPLAY
5.77 kg/bhp
Weight-to-Power Ratio
5.69 kg/bhp
Rolls-Royce Phantom Drophead Coupé 6.8 V12
5.77 kg/bhp
5.69 kg/bhp
BMW 840i Cabrio

Fuel Economy / Emissions

Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW 840i Cabrio
Fuel Economy
19 mpg
combined
38 mpg
Rolls-Royce Phantom Drophead Coupé 6.8 V12
19 mpg
38 mpg
BMW 840i Cabrio
12 mpg
city
31 mpg
28 mpg
motorway
No data
Kraftstoffanzeige
80 L
Fuel Tank Capacity
68 L
Kraftstoffanzeige
336 mi
Range
571 mi
Rolls-Royce Phantom Drophead Coupé 6.8 V12
336 mi
571 mi
BMW 840i 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).
140.2 kWh
Rolls-Royce Phantom Drophead Coupé 6.8 V12
280.3 kWh
140.2 kWh
BMW 840i Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
347 g/km (NEFZ)
CO2 Emissions
193 g/km (WLTP)

Practical Convenience

Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW 840i Cabrio
2
Doors
2
4
No. of Seats
4
430 kg
Maximum Payload
435 kg
315 L
Boot Capacity
350 L
No data
Boot Capacity (Seats Down)
No data