2007 Rolls-Royce Phantom vs. 2009 GMC Sierra
To start off, 2009 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Rolls-Royce Phantom. In addition, the cost of maintenance, including insurance, on 2007 Rolls-Royce Phantom would be higher. At 6,749 cc (12 cylinders), 2007 Rolls-Royce Phantom is equipped with a bigger engine. In terms of performance, 2007 Rolls-Royce Phantom (455 HP @ 5350 RPM) has 102 more horse power than 2009 GMC Sierra. (353 HP @ 5400 RPM). In normal driving conditions, 2007 Rolls-Royce Phantom should accelerate faster than 2009 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Rolls-Royce Phantom weights approximately 354 kg more than 2009 GMC Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2007 Rolls-Royce Phantom. In wet, icy, snow, or gravel driving conditions, 2009 GMC Sierra 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, 2007 Rolls-Royce Phantom (720 Nm @ 3500 RPM) has 214 more torque (in Nm) than 2009 GMC Sierra. (506 Nm @ 4400 RPM). This means 2007 Rolls-Royce Phantom will have an easier job in driving up hills or pulling heavy equipment than 2009 GMC Sierra. 2009 GMC Sierra has automatic transmission and 2007 Rolls-Royce Phantom has manual transmission. 2007 Rolls-Royce Phantom will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Rolls-Royce Phantom | 2009 GMC Sierra | |
| Make | Rolls-Royce | GMC |
| Model | Phantom | Sierra |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 6749 cc | 5999 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 455 HP | 353 HP |
| Engine RPM | 5350 RPM | 5400 RPM |
| Torque | 720 Nm | 506 Nm |
| Torque RPM | 3500 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2495 kg | 2141 kg |
| Vehicle Length | 5840 mm | 6580 mm |
| Vehicle Width | 2000 mm | 2040 mm |
| Vehicle Height | 1640 mm | 1960 mm |
| Wheelbase Size | 3580 mm | 4250 mm |
| Fuel Consumption Overall | 15.9 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 100 L | 129 L |
