2001 Daihatsu Sirion vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 2 year(s). Which means there will be less support and parts availability for 2001 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2001 Daihatsu Sirion would be higher. At 2,958 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (175 HP @ 5500 RPM) has 103 more horse power than 2001 Daihatsu Sirion. (72 HP @ 5200 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 2001 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 735 kg more than 2001 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, 2003 Opel Signum (370 Nm @ 1900 RPM) has 269 more torque (in Nm) than 2001 Daihatsu Sirion. (101 Nm @ 3600 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2001 Daihatsu Sirion.
Compare all specifications:
| 2001 Daihatsu Sirion | 2003 Opel Signum | |
| Make | Daihatsu | Opel |
| Model | Sirion | Signum |
| Year Released | 2001 | 2003 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 72 HP | 175 HP |
| Engine RPM | 5200 RPM | 5500 RPM |
| Torque | 101 Nm | 370 Nm |
| Torque RPM | 3600 RPM | 1900 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 840 kg | 1575 kg |
| Vehicle Length | 3680 mm | 4640 mm |
| Vehicle Width | 1600 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2370 mm | 2840 mm |
