The Comparative Analysis :

Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (10 - 17) vs. BMW M6 Convertible SMG (06 - 10)

€ 465,600
Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (10 - 17) Rolls-Royce Phantom Drophead Coupé 6.8 V12
€ 123,200
 BMW M6 Convertible SMG (06 - 10) BMW M6 Cabrio
€ 465,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 123,200

ⓘ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 29.2 inches longer, 5.2 inches wider and 7.4 inches taller than the BMW M6 Cabrio.
Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW M6 Cabrio
61.7
Blueprint Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (10 - 17)
78.2
86.1
54.2
Blueprint BMW M6 Convertible SMG (06 - 10)
73
80.2
78.2 in
Width
73 in
86.1 in
Width Incl. Mirrors
80.2 in
61.7 in
Height
54.2 in
Blueprint Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (10 - 17)
130.7
220.9
Blueprint BMW M6 Convertible SMG (06 - 10)
109.5
191.8
220.9 in
Length
191.8 in
130.7 in
Wheelbase
109.5 in

Vehicle Weight

Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW M6 Cabrio
5776 lb
Curb Weight
4420 lb
6724 lb
Gross Vehicle
Weight
5247 lb
Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (10 - 17)
Weight Difference:
1356 lb
23.48 %
BMW M6 Convertible SMG (06 - 10)

General

Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW M6 Cabrio
RR2
Generation
E64
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed automatic transmission
Transmission
7-speed automated manual transmission (AMT)

Engine

Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW M6 Cabrio
V12 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
V10 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Series
BMW S85
Engine Code
S85-B50
4
Valves
4
12
Cylinders
10
6.7 L / 328 cu in
Displacement
5 L / 245 cu in
454 hp
at 5350 rpm
Power
500 hp
at 7750 rpm
Rolls-Royce Phantom Drophead Coupé 6.8 V12
454 hp
500 hp
BMW M6 Cabrio
531 lb‑ft
at 3500 rpm
Max. Torque
384 lb‑ft
at 6100 rpm
Rolls-Royce Phantom Drophead Coupé 6.8 V12
531 lb‑ft
384 lb‑ft
BMW M6 Cabrio

Performance

Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW M6 Cabrio
149 mph
Maximum Speed
155 mph
5.8 sec
Acceleration 0 to 62 mph
4.8 sec
62 mph 62
mph

266 ft
0.000 sec

Rolls-Royce Phantom Drophead Coupé 6.8 V12

62 mph 62
mph

220 ft
0.000 sec

BMW M6 Cabrio

▶ REPLAY
12.72 lb/hp
Weight-to-Power Ratio
8.84 lb/hp
Rolls-Royce Phantom Drophead Coupé 6.8 V12
12.72 lb/hp
8.84 lb/hp
BMW M6 Cabrio

Fuel Economy / Emissions

Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW M6 Cabrio
Fuel Economy
16 mpg
combined
16 mpg
Rolls-Royce Phantom Drophead Coupé 6.8 V12
16 mpg
16 mpg
BMW M6 Cabrio
10 mpg
city
11 mpg
23 mpg
highway
No data
Kraftstoffanzeige
21.1 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
336 mi
Range
296 mi
Rolls-Royce Phantom Drophead Coupé 6.8 V12
336 mi
296 mi
BMW M6 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).
278.4 kWh
Rolls-Royce Phantom Drophead Coupé 6.8 V12
280.3 kWh
278.4 kWh
BMW M6 Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 4
558 g/mi (NEFZ)
CO2 Emissions
566 g/mi (NEFZ)

Practical Convenience

Rolls-Royce Phantom Drophead Coupé 6.8 V12
BMW M6 Cabrio
2
Doors
2
4
No. of Seats
4
948 lb
Maximum Payload
827 lb
8.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data