2008 Daihatsu Sirion vs. 2006 Opel Signum
To start off, 2008 Daihatsu Sirion is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Opel Signum. In addition, the cost of maintenance, including insurance, on 2006 Opel Signum would be higher. At 2,958 cc (6 cylinders), 2006 Opel Signum is equipped with a bigger engine. In terms of performance, 2006 Opel Signum (175 HP @ 4000 RPM) has 85 more horse power than 2008 Daihatsu Sirion. (90 HP @ 6000 RPM) In normal driving conditions, 2006 Opel Signum should accelerate faster than 2008 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 690 kg more than 2008 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 2006 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2008 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, 2006 Opel Signum (370 Nm @ 1900 RPM) has 250 more torque (in Nm) than 2008 Daihatsu Sirion. (120 Nm @ 4400 RPM). This means 2006 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2008 Daihatsu Sirion.
Compare all specifications:
| 2008 Daihatsu Sirion | 2006 Opel Signum | |
| Make | Daihatsu | Opel |
| Model | Sirion | Signum |
| Year Released | 2008 | 2006 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 90 HP | 175 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 120 Nm | 370 Nm |
| Torque RPM | 4400 RPM | 1900 RPM |
| Engine Bore Size | 72 mm | 87.5 mm |
| Engine Stroke Size | 79.7 mm | 82 mm |
| Engine Compression Ratio | 10.0:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 165 km/hour | 221 km/hour |
| Acceleration 0-100mph | 12 seconds | 9.4 seconds |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 980 kg | 1670 kg |
| Vehicle Length | 3610 mm | 4640 mm |
| Vehicle Width | 1670 mm | 1800 mm |
| Vehicle Height | 1560 mm | 1470 mm |
| Wheelbase Size | 2440 mm | 2840 mm |
| Fuel Consumption Overall | 6.5 L/100km | 7.6 L/100km |
| Fuel Tank Capacity | 38 L | 60 L |
