2002 Daihatsu Sirion vs. 2004 Opel Signum
To start off, 2004 Opel Signum is newer by 2 year(s). Which means there will be less support and parts availability for 2002 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2002 Daihatsu Sirion would be higher. At 1,796 cc (4 cylinders), 2004 Opel Signum is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (125 HP @ 5600 RPM) has 23 more horse power than 2002 Daihatsu Sirion. (102 HP @ 7200 RPM) In normal driving conditions, 2004 Opel Signum should accelerate faster than 2002 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 510 kg more than 2002 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, 2004 Opel Signum (170 Nm @ 3800 RPM) has 50 more torque (in Nm) than 2002 Daihatsu Sirion. (120 Nm @ 4400 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2002 Daihatsu Sirion.
Compare all specifications:
| 2002 Daihatsu Sirion | 2004 Opel Signum | |
| Make | Daihatsu | Opel |
| Model | Sirion | Signum |
| Year Released | 2002 | 2004 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 102 HP | 125 HP |
| Engine RPM | 7200 RPM | 5600 RPM |
| Torque | 120 Nm | 170 Nm |
| Torque RPM | 4400 RPM | 3800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 870 kg | 1380 kg |
| Vehicle Length | 3680 mm | 4640 mm |
| Vehicle Width | 1600 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2350 mm | 2700 mm |
