







(1925 model)
| Marque (make) | Rolls-Royce | Issued from | 1925 |
|---|---|---|---|
| Model | Phantom I | Issued until | |
| Serie | Phantom | Number made | |
| Model family | Body construction | ||
| Model code | Body designation | ||
| Manufacturer | Rolls-Royce Motor Cars | Country | UK |
| Base platform | Number of doors | 4 | |
|---|---|---|---|
| Bodywork type | sedan (saloon) | Number of seats | 7 |
| Bodywork designer | Cargo capacity (volume) | ||
| Max. cargo capacity (volume) |
| Length | 5563 mm / 219.0 in / 219.0 in | Ground clearance | |
|---|---|---|---|
| Width | 1829 mm / 72.0 in / 72.0 in | Length/wheelbase ratio | 1.52 |
| Height | Total (curb) weight | ||
| Wheelbase | 3658 mm / 144.0 in / 144.0 in | Dry weight | |
| Track front | 1473 mm / 58.0 in / 58.0 in | Weight distribution (front) | |
| Track rear | 1473 mm / 58.0 in / 58.0 in | Fuel capacity |
| Drag coefficient | Frontal Area | ||
|---|---|---|---|
| Cx |
| Engine Code | Total number of cylinders | 6 | |
|---|---|---|---|
| Engine Type | straight (inline) | Total number of valves | 12 |
| Engine Manufacturer | Rolls-Royce | Valves per cylinder | 2 |
| Engine construction | Bore | 108.0 mm / 4.25 in / 4.25 in | |
| Fuel | petrol (gasoline) | Stroke | 140.0 mm / 5.51 in / 5.51 in |
| Fuel supply | Bore/Stroke ratio | 0.77 | |
| Engine Main bearings | 7 | Engine displacement | 7668 cm3 / 467.9 cu in / 467.9 cu in |
| Cam Design | OHV (overhead valve, I-head) | Unitary capacity | 1278.00 cm3/cylinder / 77.988 cu in/cylinder / 77.988 cu in/cylinder |
| Sump | wet | Compression ratio | |
| Aspiration | natural | Max. output power | 70.8 kW / 96.3 hp / 96.3 hp at 2750 rpm / 2750 rpm / 2750 rpm |
| Compressor type | N/A | Max. torque | at |
| Intercooler | none | Maximum rpm | |
| Coolant | water | Max. net output | 69.9 kW / 95.0 bhp / 95.0 bhp |
| Catalytic converter | no | Specific output | 12.4 kW/l / 0.276 bhp/cu in / 0.276 bhp/cu in |
| Specific torque |
| Transmission type | manual | Number of gears | 4 |
|---|---|---|---|
| Wheel drive | rear wheel drive | Top gear (drive) ratio | 1.00 |
| Final gear (drive) ratio |
| Acceleration 0-50 mph (80 km/h) | Top (maximal) speed | 145 km/h / 90 mph / 90 mph | |
|---|---|---|---|
| Acceleration 0-60 mph (96 km/h) | Power-to-weight ratio | ||
| Acceleration 0-100 km/h | Fuel consumption, City (urban) | ||
| Acceleration 0-100 mph (160 km/h) | Fuel consumption, Road (extra-urban) | ||
| Acceleration 80-120 km/h (50-70 mph) in top | Fuel consumption, Mixed (combined) | ||
| 0-Quarter-mile time | Fuel consumption, Euro | ||
| 0-Kilometer time | CO2 emissions |
| Engine location | front | Engine alignment | longitudinal |
|---|---|---|---|
| Steering | worm & nut | ||
| Turns lock-to-lock | Turning circle | ||
| Suspension front | LA.SE. | Suspension rear | LA.Cant. |
| Wheels front | 6.75 x 21 | Wheels rear | 6.75 x 21 |
| Tyres front | 7.00 x 21 | Tyres rear | 7.00 x 21 |
| Brakes front | drum | Brakes rear | drum, servo-assisted |
| Brake diameter front | Brake diameter rear | ||
| Braked area |
Technical specifications and performance data of Rolls-Royce Phantom I