The Comparative Analysis :

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

€ 105,800
BMW 840i Cabrio xDrive Steptronic (19 - ..) BMW 840i Cabrio
€ 465,600
 Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (10 - 17) Rolls-Royce Phantom Drophead Coupé 6.8 V12
€ 105,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 465,600

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The BMW 840i Cabrio is substantially smaller in every dimension. It's 76.9 cm shorter, 8.5 cm narrower and 22.7 cm lower than the Rolls-Royce Phantom Drophead Coupé 6.8 V12.
BMW 840i Cabrio
Rolls-Royce Phantom Drophead Coupé 6.8 V12
1339
Blueprint BMW 840i Cabrio xDrive Steptronic (19 - ..)
1902
2137
1566
Blueprint Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (10 - 17)
1987
2187
1902 mm
Width
1987 mm
2137 mm
Width Incl. Mirrors
2187 mm
1339 mm
Height
1566 mm
Blueprint BMW 840i Cabrio xDrive Steptronic (19 - ..)
2822
4843
Blueprint Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (10 - 17)
3320
5612
4843 mm
Length
5612 mm
2822 mm
Wheelbase
3320 mm

Vehicle Weight

BMW 840i Cabrio
Rolls-Royce Phantom Drophead Coupé 6.8 V12
1955 kg
Kerb Weight
2620 kg
2400 kg
Gross Vehicle
Weight
3050 kg
BMW 840i Cabrio xDrive Steptronic (19 - ..)
Weight Difference:
665 kg
25.38 %
Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (10 - 17)

General

BMW 840i Cabrio
Rolls-Royce Phantom Drophead Coupé 6.8 V12
G14
Generation
RR2
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Permanent all-wheel drive
Drive
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed automatic transmission

Engine

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

Performance

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

68 m
0.000 sec

BMW 840i Cabrio

62 mph 62
mph

81 m
0.000 sec

Rolls-Royce Phantom Drophead Coupé 6.8 V12

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

Fuel Economy / Emissions

BMW 840i Cabrio
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Fuel Economy
37 mpg
combined
19 mpg
BMW 840i Cabrio
37 mpg
19 mpg
Rolls-Royce Phantom Drophead Coupé 6.8 V12
29 mpg
city
12 mpg
No data
motorway
28 mpg
Kraftstoffanzeige
68 L
Fuel Tank Capacity
80 L
Kraftstoffanzeige
549 mi
Range
336 mi
BMW 840i Cabrio
549 mi
336 mi
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Environmental Impact
145.8 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).
280.3 kWh
BMW 840i Cabrio
145.8 kWh
280.3 kWh
Rolls-Royce Phantom Drophead Coupé 6.8 V12
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6b (NEFZ)
205 g/km (WLTP)
CO2 Emissions
347 g/km (NEFZ)

Practical Convenience

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