2005 Porsche 911 vs. 1971 Rover P5B
To start off, 2005 Porsche 911 is newer by 34 year(s). Which means there will be less support and parts availability for 1971 Rover P5B. In addition, the cost of maintenance, including insurance, on 1971 Rover P5B would be higher. At 3,596 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (315 HP @ 6800 RPM) has 157 more horse power than 1971 Rover P5B. (158 HP @ 5200 RPM). In normal driving conditions, 2005 Porsche 911 should accelerate faster than 1971 Rover P5B. With that said, vehicle weight also plays an important factor in acceleration. 1971 Rover P5B weights approximately 15 kg more than 2005 Porsche 911.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Rover P5B. 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, 2005 Porsche 911 (370 Nm @ 4250 RPM) has 74 more torque (in Nm) than 1971 Rover P5B. (296 Nm @ 3000 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1971 Rover P5B. 1971 Rover P5B has automatic transmission and 2005 Porsche 911 has manual transmission. 2005 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1971 Rover P5B will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Porsche 911 | 1971 Rover P5B | |
| Make | Porsche | Rover |
| Model | 911 | P5B |
| Year Released | 2005 | 1971 |
| Body Type | Convertible | Coupe |
| Engine Size | 3596 cc | 3528 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | boxer | in-line |
| Horse Power | 315 HP | 158 HP |
| Engine RPM | 6800 RPM | 5200 RPM |
| Torque | 370 Nm | 296 Nm |
| Torque RPM | 4250 RPM | 3000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1565 kg | 1580 kg |
| Vehicle Length | 4440 mm | 4750 mm |
| Vehicle Width | 1840 mm | 1790 mm |
| Vehicle Height | 1300 mm | 1480 mm |
| Wheelbase Size | 2360 mm | 2820 mm |
