The Comparative Analysis :
Rolls-Royce Phantom Drophead Coupé 6.8 V12 Automatic (07 - 10) vs. ALPINA B6 Bi-Turbo Convertible Switch-Tronic (15 - 18)
€ 450,700
€ 137,200
€ 450,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 137,200
ⓘ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 28.1 inches longer, 3.7 inches wider and 8.2 inches taller than the ALPINA B6 Bi-Turbo Convertible.
Rolls-Royce Phantom Drophead Coupé 6.8 V12
ALPINA B6 Bi-Turbo Convertible
62.2
78.2
86.1
54.1
74.6
82.4
78.2 in
Width
74.6 in
86.1 in
Width Incl. Mirrors
82.4 in
62.2 in
Height
54.1 in
130.7
220.8
112.4
192.7
220.8 in
Length
192.7 in
130.7 in
Wheelbase
112.4 in
Vehicle Weight
Rolls-Royce Phantom Drophead Coupé 6.8 V12
ALPINA B6 Bi-Turbo Convertible
5776 lb
Curb Weight
4619 lb
6724 lb
Gross Vehicle
Weight
Weight
5357 lb
Weight Difference:
1157 lb
20.03 %
General
Rolls-Royce Phantom Drophead Coupé 6.8 V12
ALPINA B6 Bi-Turbo Convertible
RR2
Generation
F12
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Rolls-Royce Phantom Drophead Coupé 6.8 V12
ALPINA B6 Bi-Turbo Convertible
V12 gasoline engine (naturally aspirated engine)
Engine Type
V8 gasoline engine with two turbochargers (biturbo)
Engine Code
N63-B44
4
Valves
4
12
Cylinders
8
6.7 L / 328 cu in
Displacement
4.4 L / 215 cu in
454 hp
at 5350 rpm
Power
592 hp
at 6000 rpm
Rolls-Royce Phantom Drophead Coupé 6.8 V12
454 hp
592 hp
ALPINA B6 Bi-Turbo Convertible
531 lb‑ft
at 3500 rpm
Max. Torque
590 lb‑ft
at 3500 rpm
Rolls-Royce Phantom Drophead Coupé 6.8 V12
531 lb‑ft
590 lb‑ft
ALPINA B6 Bi-Turbo Convertible
Performance
Rolls-Royce Phantom Drophead Coupé 6.8 V12
ALPINA B6 Bi-Turbo Convertible
149 mph
Maximum Speed
203 mph
5.8 sec
Acceleration 0 to 62 mph
4.2 sec
62 mph
62
mph
mph
266 ft
0.000 sec
Rolls-Royce Phantom Drophead Coupé 6.8 V12
62 mph
62
mph
mph
190 ft
0.000 sec
ALPINA B6 Bi-Turbo Convertible
▶ REPLAY
12.72 lb/hp
Weight-to-Power Ratio
7.8 lb/hp
Rolls-Royce Phantom Drophead Coupé 6.8 V12
12.72 lb/hp
7.8 lb/hp
ALPINA B6 Bi-Turbo Convertible
Fuel Economy / Emissions
Rolls-Royce Phantom Drophead Coupé 6.8 V12
ALPINA B6 Bi-Turbo Convertible
Fuel Economy
15 mpg
combined
25 mpg
Rolls-Royce Phantom Drophead Coupé 6.8 V12
15 mpg
25 mpg
ALPINA B6 Bi-Turbo Convertible
10 mpg
city
18 mpg
21 mpg
highway
No data
21.1 gal
Fuel Tank Capacity
18.5 gal
313 mi
Range
453 mi
Rolls-Royce Phantom Drophead Coupé 6.8 V12
313 mi
453 mi
ALPINA B6 Bi-Turbo Convertible
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).
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).
181.9 kWh
Rolls-Royce Phantom Drophead Coupé 6.8 V12
301.3 kWh
181.9 kWh
ALPINA B6 Bi-Turbo Convertible
Euro 4 III
Emission Standard
Euro 6b (NEFZ)
620 g/mi (NEFZ)
CO2 Emissions
360 g/mi (NEFZ)
Practical Convenience
Rolls-Royce Phantom Drophead Coupé 6.8 V12
ALPINA B6 Bi-Turbo Convertible
2
Doors
2
4
No. of Seats
4
948 lb
Maximum Payload
739 lb
8.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data
