2006 Cadillac STS vs. 2005 Rolls-Royce Park Ward
To start off, 2006 Cadillac STS is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Rolls-Royce Park Ward. In addition, the cost of maintenance, including insurance, on 2005 Rolls-Royce Park Ward would be higher. At 5,379 cc (12 cylinders), 2005 Rolls-Royce Park Ward is equipped with a bigger engine. In terms of performance, 2005 Rolls-Royce Park Ward (322 HP @ 5000 RPM) has 69 more horse power than 2006 Cadillac STS. (253 HP @ 6500 RPM) In normal driving conditions, 2005 Rolls-Royce Park Ward should accelerate faster than 2006 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2005 Rolls-Royce Park Ward weights approximately 668 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, 2005 Rolls-Royce Park Ward (490 Nm @ 3900 RPM) has 148 more torque (in Nm) than 2006 Cadillac STS. (342 Nm @ 3200 RPM). This means 2005 Rolls-Royce Park Ward will have an easier job in driving up hills or pulling heavy equipment than 2006 Cadillac STS.
Compare all specifications:
| 2006 Cadillac STS | 2005 Rolls-Royce Park Ward | |
| Make | Cadillac | Rolls-Royce |
| Model | STS | Park Ward |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3563 cc | 5379 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 253 HP | 322 HP |
| Engine RPM | 6500 RPM | 5000 RPM |
| Torque | 342 Nm | 490 Nm |
| Torque RPM | 3200 RPM | 3900 RPM |
| Engine Compression Ratio | 10.2:1 | 10.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1782 kg | 2450 kg |
| Wheelbase Size | 2960 mm | 3370 mm |
| Fuel Tank Capacity | 66 L | 100 L |
