Rolls-Royce Phantom Drophead Coupe Revealed

World Debut at NAIAS
Press Release
TECHNICAL SPECIFICATIONS: WORLD
Engine & transmission
Engine / cylinders / valves V / 12 / 48
Fuel management Direct injection
Displacement 6749 cc / 411.8 cu in
Stroke 84.6 mm / 3.33 in
Bore 92.0 mm / 3.62 in
Power output @ engine speed 453 bhp / 460 PS (DIN) / 338 kW @ 5350 rpm
Max torque @ engine speed 720 Nm / 531 lb ft @ 3500 rpm
Compression ratio / fuel type 11:1 / premium unleaded1
Transmission type ZF 6HP32
Transmission ratios:
1st / 2nd / 3rd / 4.171 / 2.340 / 1.521 /
4th / 5th / 6th 1.143 / 0.867 / 0.691
Reverse 3.403
Final-drive ratio 3.460
Steering & brakes
Steering type Rack & pinion, speed-sensitive variable-rate
power assistance
Brakes, front / diameter Ventilated disc / 374 mm / 14.7 in
Brakes, rear / diameter Ventilated disc / 370 mm / 14.6 in
Aerodynamics
Drag Cd 0.37
Drag Cd x A 1.004 m2 / 10.8 ft2
Performance2
Top speed 149 mph / 240 km/h (governed)
Acceleration 0-100 km/h 5.9 sec
Wheels (standard PAX alloy)
Tyre, front & rear Michelin PAX 265/790 R540 A 111W
Wheel rim, front & rear PAX 265 x 540 A ALU
Wheels (21 in alloy)
Tyre, front Goodyear EMT 255/50 R21 106W
Wheel size, front 8 in x 21 in
Tyre, rear Goodyear EMT 285/45 R21 109W
Wheel size, rear 9.5 in x 21 in
1. The engine is designed for octane grade 98 fuel; however, it may be run on fuel with a minimum octane grade of 91.
2. Subject to ?nal veri?cation.
TECHNICAL SPECIFICATIONS: US VERSION
Engine & transmission
Engine / cylinders / valves V / 12 / 48
Fuel management Direct injection
Displacement 6749 cc / 411.8 cu in
Stroke 84.6 mm / 3.33 in
Bore 92.0 mm / 3.62 in
Power output @ engine speed 453 bhp / 460 PS (DIN) / 338 kW @ 5350 rpm
Max torque @ engine speed 720 Nm / 531 lb ft @ 3500 rpm
Compression ratio / fuel type 11:1 / premium unleaded1
Transmission type ZF 6HP32
Transmission ratios:
1st / 2nd / 3rd / 4.171 / 2.340 / 1.521 /
4th / 5th / 6th / 1.143 / 0.867 / 0.691
Reverse 3.403
Final-drive ratio 3.460
Steering & brakes
Steering type Rack & pinion, speed-sensitive variable-rate
power assistance
Brakes, front / diameter Ventilated disc / 374 mm / 14.7 in
Brakes, rear / diameter Ventilated disc / 370 mm / 14.6 in
Aerodynamics
Drag Cd 0.37
Drag Cd x A 1.004 m2 / 10.8 ft2
Performance
Top speed 149 mph / 240 km/h (governed)
Acceleration 0-60 mph 5.7 sec
Wheels (standard PAX alloy)4/5
Tire, front & rear Michelin PAX 265/790 R540 A 111W
Wheel rim, front & rear PAX 265 x 540 A ALU
Wheels (21 in alloy)5/6
Tire, front Goodyear EMT 255/50 R21 106W
Wheel size, front 8 in x 21 in
Tire, rear Goodyear EMT 285/45 R21 109W
Wheel size, rear 9.5 in x 21 in
1. The engine is designed for octane grade 98 fuel; however, it may be run on fuel with a minimum octane grade of 91.
2. Manufacturer’s test results. Actual acceleration results may vary depending on speci?cations of the vehicle, road and environmental conditions, testing procedures and driving styles. These results should be used for comparison only and veri?cation should not be attempted on public roads.
3. EPA (Preliminary) – Use estimated mpg for comparison with other cars. Your mileage may vary with options, driving conditions, driving habits, the car’s condition, speed and trip length. Actual highway mileage will probably be less.
4. The Michelin PAX tire system has run-?at capabilities. Michelin PAX is a registered trademark of Michelin.
5. With run-?at tires, you can continue for a distance of at least 100 miles at speeds up to 50 mph; however, when noti?ed, you should check your tire condition at the next available opportunity.
6. The Goodyear Extended Mobility Tire system (EMT) has run-?at capabilities.














