2005 Porsche 911 vs. 1998 Rolls-Royce Silver Spur
To start off, 2005 Porsche 911 is newer by 7 year(s). Which means there will be less support and parts availability for 1998 Rolls-Royce Silver Spur. In addition, the cost of maintenance, including insurance, on 1998 Rolls-Royce Silver Spur would be higher. At 6,750 cc (8 cylinders), 1998 Rolls-Royce Silver Spur is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (414 HP @ 6000 RPM) has 112 more horse power than 1998 Rolls-Royce Silver Spur. (302 HP @ 4000 RPM). In normal driving conditions, 2005 Porsche 911 should accelerate faster than 1998 Rolls-Royce Silver Spur. With that said, vehicle weight also plays an important factor in acceleration. 1998 Rolls-Royce Silver Spur weights approximately 730 kg more than 2005 Porsche 911.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1998 Rolls-Royce Silver Spur. In wet, icy, snow, or gravel driving conditions, 2005 Porsche 911 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, 1998 Rolls-Royce Silver Spur (600 Nm @ 2000 RPM) has 40 more torque (in Nm) than 2005 Porsche 911. (560 Nm @ 2700 RPM). This means 1998 Rolls-Royce Silver Spur will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche 911.
Compare all specifications:
| 2005 Porsche 911 | 1998 Rolls-Royce Silver Spur | |
| Make | Porsche | Rolls-Royce |
| Model | 911 | Silver Spur |
| Year Released | 2005 | 1998 |
| Engine Position | Rear | Front |
| Engine Size | 3600 cc | 6750 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | boxer | V |
| Horse Power | 414 HP | 302 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 560 Nm | 600 Nm |
| Torque RPM | 2700 RPM | 2000 RPM |
| Engine Bore Size | 100 mm | 104.1 mm |
| Engine Stroke Size | 76.4 mm | 99.1 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1740 kg | 2470 kg |
| Vehicle Length | 4440 mm | 5400 mm |
| Vehicle Width | 1840 mm | 1890 mm |
| Vehicle Height | 1300 mm | 1490 mm |
| Wheelbase Size | 2360 mm | 3170 mm |
| Fuel Tank Capacity | 64 L | 108 L |
