2009 Kia Optima vs. 1950 Rover P4
To start off, 2009 Kia Optima is newer by 59 year(s). Which means there will be less support and parts availability for 1950 Rover P4. In addition, the cost of maintenance, including insurance, on 1950 Rover P4 would be higher. At 2,656 cc (6 cylinders), 2009 Kia Optima is equipped with a bigger engine. In terms of performance, 2009 Kia Optima (194 HP @ 6000 RPM) has 120 more horse power than 1950 Rover P4. (74 HP @ 4200 RPM). In normal driving conditions, 2009 Kia Optima should accelerate faster than 1950 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Kia Optima weights approximately 129 kg more than 1950 Rover P4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1950 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 1950 Rover P4. However, in wet, icy, snow, or gravel driving conditions, 2009 Kia Optima, 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, 2009 Kia Optima (250 Nm @ 4500 RPM) has 100 more torque (in Nm) than 1950 Rover P4. (150 Nm @ 2500 RPM). This means 2009 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 1950 Rover P4.
Compare all specifications:
| 2009 Kia Optima | 1950 Rover P4 | |
| Make | Kia | Rover |
| Model | Optima | P4 |
| Year Released | 2009 | 1950 |
| Engine Position | Front | Front |
| Engine Size | 2656 cc | 2103 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 194 HP | 74 HP |
| Engine RPM | 6000 RPM | 4200 RPM |
| Torque | 250 Nm | 150 Nm |
| Torque RPM | 4500 RPM | 2500 RPM |
| Engine Bore Size | 86.7 mm | 65.2 mm |
| Engine Stroke Size | 75 mm | 105 mm |
| Engine Compression Ratio | 10.4:1 | 7.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1519 kg | 1390 kg |
| Vehicle Length | 4810 mm | 4530 mm |
| Vehicle Width | 1810 mm | 1670 mm |
| Vehicle Height | 1490 mm | 1620 mm |
| Wheelbase Size | 2730 mm | 2830 mm |
| Fuel Tank Capacity | 62 L | 52 L |
