2009 Daihatsu Sirion vs. 1970 Rover P5B
To start off, 2009 Daihatsu Sirion is newer by 39 year(s). Which means there will be less support and parts availability for 1970 Rover P5B. In addition, the cost of maintenance, including insurance, on 1970 Rover P5B would be higher. At 3,528 cc (8 cylinders), 1970 Rover P5B is equipped with a bigger engine. In terms of performance, 1970 Rover P5B (159 HP @ 5200 RPM) has 73 more horse power than 2009 Daihatsu Sirion. (86 HP @ 6000 RPM) In normal driving conditions, 1970 Rover P5B should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1970 Rover P5B weights approximately 650 kg more than 2009 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 1970 Rover P5B. In wet, icy, snow, or gravel driving conditions, 2009 Daihatsu Sirion 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, 1970 Rover P5B (295 Nm @ 3000 RPM) has 175 more torque (in Nm) than 2009 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 1970 Rover P5B will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion.
Compare all specifications:
| 2009 Daihatsu Sirion | 1970 Rover P5B | |
| Make | Daihatsu | Rover |
| Model | Sirion | P5B |
| Year Released | 2009 | 1970 |
| Engine Size | 1298 cc | 3528 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 86 HP | 159 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 120 Nm | 295 Nm |
| Torque RPM | 3200 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 940 kg | 1590 kg |
| Vehicle Length | 3610 mm | 4750 mm |
| Vehicle Width | 1560 mm | 1790 mm |
| Vehicle Height | 1670 mm | 1550 mm |
| Wheelbase Size | 2440 mm | 2820 mm |
