2009 Daihatsu Sirion vs. 1966 Rover P5
To start off, 2009 Daihatsu Sirion is newer by 43 year(s). Which means there will be less support and parts availability for 1966 Rover P5. In addition, the cost of maintenance, including insurance, on 1966 Rover P5 would be higher. At 2,995 cc (6 cylinders), 1966 Rover P5 is equipped with a bigger engine. In terms of performance, 1966 Rover P5 (122 HP @ 4800 RPM) has 21 more horse power than 2009 Daihatsu Sirion. (101 HP @ 3600 RPM) In normal driving conditions, 1966 Rover P5 should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1966 Rover P5 weights approximately 788 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 1966 Rover P5 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 1966 Rover P5. However, in wet, icy, snow, or gravel driving conditions, 2009 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, 1966 Rover P5 (217 Nm @ 2650 RPM) has 77 more torque (in Nm) than 2009 Daihatsu Sirion. (140 Nm @ 4600 RPM). This means 1966 Rover P5 will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion. 1966 Rover P5 has automatic transmission and 2009 Daihatsu Sirion has manual transmission. 2009 Daihatsu Sirion will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1966 Rover P5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Daihatsu Sirion | 1966 Rover P5 | |
| Make | Daihatsu | Rover |
| Model | Sirion | P5 |
| Year Released | 2009 | 1966 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 2995 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 101 HP | 122 HP |
| Engine RPM | 3600 RPM | 4800 RPM |
| Torque | 140 Nm | 217 Nm |
| Torque RPM | 4600 RPM | 2650 RPM |
| Engine Bore Size | 72 mm | 85.7 mm |
| Engine Stroke Size | 79.7 mm | 85.7 mm |
| Engine Compression Ratio | 10.0:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 942 kg | 1730 kg |
| Vehicle Length | 3610 mm | 4750 mm |
| Vehicle Width | 1560 mm | 1790 mm |
| Vehicle Height | 1670 mm | 1480 mm |
| Wheelbase Size | 2440 mm | 2820 mm |
| Fuel Tank Capacity | 40 L | 54 L |
