2006 Daihatsu Sirion vs. 1955 Rover P4
To start off, 2006 Daihatsu Sirion is newer by 51 year(s). Which means there will be less support and parts availability for 1955 Rover P4. In addition, the cost of maintenance, including insurance, on 1955 Rover P4 would be higher. At 2,102 cc (6 cylinders), 1955 Rover P4 is equipped with a bigger engine. In terms of performance, 2006 Daihatsu Sirion (86 HP @ 6000 RPM) has 12 more horse power than 1955 Rover P4. (74 HP @ 4200 RPM). In normal driving conditions, 2006 Daihatsu Sirion should accelerate faster than 1955 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1955 Rover P4 weights approximately 650 kg more than 2006 Daihatsu Sirion.
Because 1955 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 1955 Rover P4. However, in wet, icy, snow, or gravel driving conditions, 2006 Daihatsu Sirion, 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, 1955 Rover P4 (150 Nm) has 30 more torque (in Nm) than 2006 Daihatsu Sirion. (120 Nm). This means 1955 Rover P4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Daihatsu Sirion.
Compare all specifications:
| 2006 Daihatsu Sirion | 1955 Rover P4 | |
| Make | Daihatsu | Rover |
| Model | Sirion | P4 |
| Year Released | 2006 | 1955 |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 2102 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 86 HP | 74 HP |
| Engine RPM | 6000 RPM | 4200 RPM |
| Torque | 120 Nm | 150 Nm |
| Engine Bore Size | 72 mm | 65.2 mm |
| Engine Stroke Size | 79.7 mm | 105 mm |
| 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 | 5 doors | 4 doors |
| Vehicle Weight | 740 kg | 1390 kg |
| Vehicle Length | 3400 mm | 4590 mm |
| Vehicle Height | 1250 mm | 1620 mm |
| Wheelbase Size | 2440 mm | 2830 mm |
| Fuel Tank Capacity | 40 L | 52 L |
