2004 Daihatsu Sirion vs. 2008 Opel Signum
To start off, 2008 Opel Signum is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2004 Daihatsu Sirion would be higher. At 2,957 cc (6 cylinders), 2008 Opel Signum is equipped with a bigger engine. In terms of performance, 2008 Opel Signum (175 HP @ 4000 RPM) has 103 more horse power than 2004 Daihatsu Sirion. (72 HP @ 5200 RPM) In normal driving conditions, 2008 Opel Signum should accelerate faster than 2004 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Signum weights approximately 820 kg more than 2004 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, 2008 Opel Signum (370 Nm @ 1900 RPM) has 269 more torque (in Nm) than 2004 Daihatsu Sirion. (101 Nm @ 3600 RPM). This means 2008 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2004 Daihatsu Sirion.
Compare all specifications:
| 2004 Daihatsu Sirion | 2008 Opel Signum | |
| Make | Daihatsu | Opel |
| Model | Sirion | Signum |
| Year Released | 2004 | 2008 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1296 cc | 2957 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 72 HP | 175 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 101 Nm | 370 Nm |
| Torque RPM | 3600 RPM | 1900 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 850 kg | 1670 kg |
| Vehicle Length | 3680 mm | 4640 mm |
| Vehicle Width | 1600 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2350 mm | 2840 mm |
