2008 Infiniti QX56 vs. 1973 Rover P5B
To start off, 2008 Infiniti QX56 is newer by 35 year(s). Which means there will be less support and parts availability for 1973 Rover P5B. In addition, the cost of maintenance, including insurance, on 1973 Rover P5B would be higher. At 5,550 cc (8 cylinders), 2008 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2008 Infiniti QX56 (320 HP @ 5200 RPM) has 162 more horse power than 1973 Rover P5B. (158 HP @ 5200 RPM). In normal driving conditions, 2008 Infiniti QX56 should accelerate faster than 1973 Rover P5B. With that said, vehicle weight also plays an important factor in acceleration. 1973 Rover P5B weights approximately 260 kg more than 2008 Infiniti QX56.
Because 2008 Infiniti QX56 is four wheel drive (4WD), it will have significant more traction and grip than 1973 Rover P5B. In wet, icy, snow, or gravel driving conditions, 2008 Infiniti QX56 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, 2008 Infiniti QX56 (533 Nm @ 3400 RPM) has 238 more torque (in Nm) than 1973 Rover P5B. (295 Nm @ 3000 RPM). This means 2008 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 1973 Rover P5B.
Compare all specifications:
| 2008 Infiniti QX56 | 1973 Rover P5B | |
| Make | Infiniti | Rover |
| Model | QX56 | P5B |
| Year Released | 2008 | 1973 |
| Body Type | SUV | Coupe |
| Engine Size | 5550 cc | 3528 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 320 HP | 158 HP |
| Engine RPM | 5200 RPM | 5200 RPM |
| Torque | 533 Nm | 295 Nm |
| Torque RPM | 3400 RPM | 3000 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1320 kg | 1580 kg |
| Vehicle Length | 5260 mm | 4750 mm |
| Vehicle Width | 2030 mm | 1790 mm |
| Vehicle Height | 1960 mm | 1480 mm |
| Wheelbase Size | 3140 mm | 2820 mm |
