2006 Cadillac STS vs. 1999 Rolls-Royce Silver Seraph
To start off, 2006 Cadillac STS is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Rolls-Royce Silver Seraph. In addition, the cost of maintenance, including insurance, on 1999 Rolls-Royce Silver Seraph would be higher. At 5,378 cc (12 cylinders), 1999 Rolls-Royce Silver Seraph is equipped with a bigger engine. In terms of performance, 2006 Cadillac STS (320 HP @ 6400 RPM) has 2 more horse power than 1999 Rolls-Royce Silver Seraph. (318 HP @ 5000 RPM). In normal driving conditions, 2006 Cadillac STS should accelerate faster than 1999 Rolls-Royce Silver Seraph.
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, 1999 Rolls-Royce Silver Seraph (489 Nm @ 3900 RPM) has 61 more torque (in Nm) than 2006 Cadillac STS. (428 Nm @ 4400 RPM). This means 1999 Rolls-Royce Silver Seraph will have an easier job in driving up hills or pulling heavy equipment than 2006 Cadillac STS.
Compare all specifications:
| 2006 Cadillac STS | 1999 Rolls-Royce Silver Seraph | |
| Make | Cadillac | Rolls-Royce |
| Model | STS | Silver Seraph |
| Year Released | 2006 | 1999 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4556 cc | 5378 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 320 HP | 318 HP |
| Engine RPM | 6400 RPM | 5000 RPM |
| Torque | 428 Nm | 489 Nm |
| Torque RPM | 4400 RPM | 3900 RPM |
| Engine Bore Size | 93 mm | 85 mm |
| Engine Stroke Size | 84 mm | 79 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4990 mm | 5390 mm |
| Vehicle Width | 1850 mm | 2170 mm |
| Vehicle Height | 1470 mm | 1530 mm |
| Wheelbase Size | 2960 mm | 3070 mm |
| Fuel Tank Capacity | 64 L | 94 L |
