2006 Cadillac STS vs. 2011 Rolls-Royce Ghost
To start off, 2011 Rolls-Royce Ghost is newer by 5 year(s). Which means there will be less support and parts availability for 2006 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2006 Cadillac STS would be higher. At 6,600 cc (12 cylinders), 2011 Rolls-Royce Ghost is equipped with a bigger engine. In terms of performance, 2011 Rolls-Royce Ghost (563 HP @ 5250 RPM) has 310 more horse power than 2006 Cadillac STS. (253 HP @ 6500 RPM) In normal driving conditions, 2011 Rolls-Royce Ghost should accelerate faster than 2006 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2011 Rolls-Royce Ghost weights approximately 708 kg more than 2006 Cadillac STS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2011 Rolls-Royce Ghost (779 Nm @ 1500 RPM) has 437 more torque (in Nm) than 2006 Cadillac STS. (342 Nm @ 3200 RPM). This means 2011 Rolls-Royce Ghost will have an easier job in driving up hills or pulling heavy equipment than 2006 Cadillac STS.
Compare all specifications:
| 2006 Cadillac STS | 2011 Rolls-Royce Ghost | |
| Make | Cadillac | Rolls-Royce |
| Model | STS | Ghost |
| Year Released | 2006 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3563 cc | 6600 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 253 HP | 563 HP |
| Engine RPM | 6500 RPM | 5250 RPM |
| Torque | 342 Nm | 779 Nm |
| Torque RPM | 3200 RPM | 1500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1782 kg | 2490 kg |
| Vehicle Length | 4990 mm | 5400 mm |
| Vehicle Width | 1850 mm | 1948 mm |
| Vehicle Height | 1470 mm | 1549 mm |
| Wheelbase Size | 2960 mm | 3294 mm |
| Fuel Consumption | 8.7 L/100km | 11.8 L/100km |
| Fuel Consumption City | 13.1 L/100km | 18.1 L/100km |
| Fuel Tank Capacity | 66 L | 83 L |
