2008 Audi S4 vs. 2009 Rolls-Royce Phantom
To start off, 2009 Rolls-Royce Phantom is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi S4. In addition, the cost of maintenance, including insurance, on 2008 Audi S4 would be higher. At 6,749 cc (12 cylinders), 2009 Rolls-Royce Phantom is equipped with a bigger engine. In terms of performance, 2009 Rolls-Royce Phantom (448 HP @ 5350 RPM) has 108 more horse power than 2008 Audi S4. (340 HP @ 7000 RPM) In normal driving conditions, 2009 Rolls-Royce Phantom should accelerate faster than 2008 Audi S4.
Because 2008 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Rolls-Royce Phantom. In wet, icy, snow, or gravel driving conditions, 2008 Audi S4 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2009 Rolls-Royce Phantom (531 Nm @ 3500 RPM) has 121 more torque (in Nm) than 2008 Audi S4. (410 Nm @ 3500 RPM). This means 2009 Rolls-Royce Phantom will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi S4.
Compare all specifications:
| 2008 Audi S4 | 2009 Rolls-Royce Phantom | |
| Make | Audi | Rolls-Royce |
| Model | S4 | Phantom |
| Year Released | 2008 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 6749 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 448 HP |
| Engine RPM | 7000 RPM | 5350 RPM |
| Torque | 410 Nm | 531 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 92 mm |
| Engine Stroke Size | 92.8 mm | 84.6 mm |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 250 km/hour | 239 km/hour |
| Acceleration 0-100mph | 5.8 seconds | 5.9 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4590 mm | 5840 mm |
| Vehicle Width | 1780 mm | 2000 mm |
| Vehicle Height | 1430 mm | 1640 mm |
| Wheelbase Size | 2650 mm | 3580 mm |
| Fuel Consumption Overall | 12.3 L/100km | 16.1 L/100km |
| Fuel Tank Capacity | 63 L | 100 L |
