2007 Daihatsu Sirion vs. 2006 Rover 25
To start off, 2007 Daihatsu Sirion is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Rover 25. In addition, the cost of maintenance, including insurance, on 2006 Rover 25 would be higher. At 1,994 cc (4 cylinders), 2006 Rover 25 is equipped with a bigger engine. In terms of performance, 2006 Rover 25 (100 HP @ 4200 RPM) has 14 more horse power than 2007 Daihatsu Sirion. (86 HP @ 6000 RPM) In normal driving conditions, 2006 Rover 25 should accelerate faster than 2007 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2006 Rover 25 weights approximately 205 kg more than 2007 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2006 Rover 25 (240 Nm @ 2000 RPM) has 120 more torque (in Nm) than 2007 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 2006 Rover 25 will have an easier job in driving up hills or pulling heavy equipment than 2007 Daihatsu Sirion.
Compare all specifications:
| 2007 Daihatsu Sirion | 2006 Rover 25 | |
| Make | Daihatsu | Rover |
| Model | Sirion | 25 |
| Year Released | 2007 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 1994 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 86 HP | 100 HP |
| Engine RPM | 6000 RPM | 4200 RPM |
| Torque | 120 Nm | 240 Nm |
| Torque RPM | 3200 RPM | 2000 RPM |
| Engine Bore Size | 72 mm | 84.5 mm |
| Engine Stroke Size | 79.7 mm | 88.9 mm |
| Engine Compression Ratio | 10.0:1 | 19.5:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 180 km/hour | 185 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 925 kg | 1130 kg |
| Vehicle Length | 3610 mm | 4000 mm |
| Vehicle Width | 1670 mm | 1690 mm |
| Vehicle Height | 1560 mm | 1430 mm |
| Wheelbase Size | 2440 mm | 2510 mm |
| Fuel Consumption Overall | 5 L/100km | 5.3 L/100km |
| Fuel Tank Capacity | 40 L | 50 L |
