2005 Cadillac STS vs. 1991 Rolls-Royce Silver Spur
To start off, 2005 Cadillac STS is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Rolls-Royce Silver Spur. In addition, the cost of maintenance, including insurance, on 1991 Rolls-Royce Silver Spur would be higher. At 6,750 cc (8 cylinders), 1991 Rolls-Royce Silver Spur is equipped with a bigger engine. In terms of performance, 1991 Rolls-Royce Silver Spur (301 HP @ 4000 RPM) has 49 more horse power than 2005 Cadillac STS. (252 HP @ 6500 RPM) In normal driving conditions, 1991 Rolls-Royce Silver Spur should accelerate faster than 2005 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 1991 Rolls-Royce Silver Spur weights approximately 680 kg more than 2005 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, 1991 Rolls-Royce Silver Spur (600 Nm @ 2000 RPM) has 258 more torque (in Nm) than 2005 Cadillac STS. (342 Nm @ 3200 RPM). This means 1991 Rolls-Royce Silver Spur will have an easier job in driving up hills or pulling heavy equipment than 2005 Cadillac STS.
Compare all specifications:
| 2005 Cadillac STS | 1991 Rolls-Royce Silver Spur | |
| Make | Cadillac | Rolls-Royce |
| Model | STS | Silver Spur |
| Year Released | 2005 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 3562 cc | 6750 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 252 HP | 301 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 342 Nm | 600 Nm |
| Torque RPM | 3200 RPM | 2000 RPM |
| Engine Bore Size | 94 mm | 104.1 mm |
| Engine Stroke Size | 86 mm | 99.1 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1790 kg | 2470 kg |
| Vehicle Length | 4990 mm | 5400 mm |
| Vehicle Width | 1850 mm | 1890 mm |
| Vehicle Height | 1470 mm | 1490 mm |
| Wheelbase Size | 2690 mm | 3170 mm |
| Fuel Tank Capacity | 95 L | 108 L |
