1992 Porsche 911 vs. 1999 Rolls-Royce Silver Seraph
To start off, 1999 Rolls-Royce Silver Seraph is newer by 7 year(s). Which means there will be less support and parts availability for 1992 Porsche 911. In addition, the cost of maintenance, including insurance, on 1992 Porsche 911 would be higher. At 5,378 cc (12 cylinders), 1999 Rolls-Royce Silver Seraph is equipped with a bigger engine. In terms of performance, 1999 Rolls-Royce Silver Seraph (318 HP @ 5000 RPM) has 90 more horse power than 1992 Porsche 911. (228 HP @ 5900 RPM) In normal driving conditions, 1999 Rolls-Royce Silver Seraph should accelerate faster than 1992 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 1999 Rolls-Royce Silver Seraph weights approximately 1125 kg more than 1992 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1999 Rolls-Royce Silver Seraph (489 Nm @ 3900 RPM) has 203 more torque (in Nm) than 1992 Porsche 911. (286 Nm @ 4800 RPM). This means 1999 Rolls-Royce Silver Seraph will have an easier job in driving up hills or pulling heavy equipment than 1992 Porsche 911.
Compare all specifications:
| 1992 Porsche 911 | 1999 Rolls-Royce Silver Seraph | |
| Make | Porsche | Rolls-Royce |
| Model | 911 | Silver Seraph |
| Year Released | 1992 | 1999 |
| Body Type | Roadster | Sedan |
| Engine Position | Rear | Front |
| Engine Size | 3163 cc | 5378 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | boxer | in-line |
| Horse Power | 228 HP | 318 HP |
| Engine RPM | 5900 RPM | 5000 RPM |
| Torque | 286 Nm | 489 Nm |
| Torque RPM | 4800 RPM | 3900 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1175 kg | 2300 kg |
| Vehicle Length | 4300 mm | 5390 mm |
| Vehicle Width | 1660 mm | 2170 mm |
| Vehicle Height | 1260 mm | 1530 mm |
