2003 Holden Vectra vs. 1958 Rover P4
To start off, 2003 Holden Vectra is newer by 45 year(s). Which means there will be less support and parts availability for 1958 Rover P4. In addition, the cost of maintenance, including insurance, on 1958 Rover P4 would be higher. At 2,636 cc (6 cylinders), 1958 Rover P4 is equipped with a bigger engine. In terms of performance, 2003 Holden Vectra (145 HP @ 5800 RPM) has 66 more horse power than 1958 Rover P4. (79 HP @ 4500 RPM). In normal driving conditions, 2003 Holden Vectra should accelerate faster than 1958 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 2003 Holden Vectra weights approximately 130 kg more than 1958 Rover P4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1958 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 1958 Rover P4. However, in wet, icy, snow, or gravel driving conditions, 2003 Holden Vectra, 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, 2003 Holden Vectra (203 Nm @ 4000 RPM) has 15 more torque (in Nm) than 1958 Rover P4. (188 Nm @ 1750 RPM). This means 2003 Holden Vectra will have an easier job in driving up hills or pulling heavy equipment than 1958 Rover P4.
Compare all specifications:
| 2003 Holden Vectra | 1958 Rover P4 | |
| Make | Holden | Rover |
| Model | Vectra | P4 |
| Year Released | 2003 | 1958 |
| Engine Position | Front | Front |
| Engine Size | 2197 cc | 2636 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 145 HP | 79 HP |
| Engine RPM | 5800 RPM | 4500 RPM |
| Torque | 203 Nm | 188 Nm |
| Torque RPM | 4000 RPM | 1750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1530 kg | 1400 kg |
| Vehicle Length | 4600 mm | 4550 mm |
| Vehicle Width | 1800 mm | 1680 mm |
| Vehicle Height | 1470 mm | 1630 mm |
| Wheelbase Size | 2710 mm | 2830 mm |
