2007 Kia Opirus vs. 1954 Rover P4
To start off, 2007 Kia Opirus is newer by 53 year(s). Which means there will be less support and parts availability for 1954 Rover P4. In addition, the cost of maintenance, including insurance, on 1954 Rover P4 would be higher. At 3,495 cc (6 cylinders), 2007 Kia Opirus is equipped with a bigger engine. In terms of performance, 2007 Kia Opirus (200 HP @ 5500 RPM) has 126 more horse power than 1954 Rover P4. (74 HP @ 4200 RPM). In normal driving conditions, 2007 Kia Opirus should accelerate faster than 1954 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Kia Opirus weights approximately 507 kg more than 1954 Rover P4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1954 Rover P4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1954 Rover P4. However, in wet, icy, snow, or gravel driving conditions, 2007 Kia Opirus, being front wheel drive (FWD), will offer much better control with better grip. 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, 2007 Kia Opirus (298 Nm @ 3500 RPM) has 148 more torque (in Nm) than 1954 Rover P4. (150 Nm @ 2500 RPM). This means 2007 Kia Opirus will have an easier job in driving up hills or pulling heavy equipment than 1954 Rover P4.
Compare all specifications:
| 2007 Kia Opirus | 1954 Rover P4 | |
| Make | Kia | Rover |
| Model | Opirus | P4 |
| Year Released | 2007 | 1954 |
| Engine Position | Front | Front |
| Engine Size | 3495 cc | 2103 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 200 HP | 74 HP |
| Engine RPM | 5500 RPM | 4200 RPM |
| Torque | 298 Nm | 150 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Engine Compression Ratio | 10.0:1 | 7.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1897 kg | 1390 kg |
| Vehicle Length | 4990 mm | 4590 mm |
| Vehicle Width | 1860 mm | 1670 mm |
| Vehicle Height | 1490 mm | 1630 mm |
| Wheelbase Size | 2810 mm | 2830 mm |
| Fuel Tank Capacity | 70 L | 52 L |
