2001 Daihatsu U4 B vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Daihatsu U4 B. In addition, the cost of maintenance, including insurance, on 2001 Daihatsu U4 B would be higher. At 1,993 cc (4 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (99 HP @ 3120 RPM) has 37 more horse power than 2001 Daihatsu U4 B. (62 HP @ 6000 RPM) In normal driving conditions, 2005 Opel Signum should accelerate faster than 2001 Daihatsu U4 B. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 775 kg more than 2001 Daihatsu U4 B. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2001 Daihatsu U4 B is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2001 Daihatsu U4 B 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, 2005 Opel Signum (230 Nm @ 1500 RPM) has 122 more torque (in Nm) than 2001 Daihatsu U4 B. (108 Nm @ 3600 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2001 Daihatsu U4 B. 2001 Daihatsu U4 B has automatic transmission and 2005 Opel Signum has manual transmission. 2005 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2001 Daihatsu U4 B will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2001 Daihatsu U4 B | 2005 Opel Signum | |
| Make | Daihatsu | Opel |
| Model | U4 B | Signum |
| Year Released | 2001 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 660 cc | 1993 cc |
| Engine Cylinders | 3 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 62 HP | 99 HP |
| Engine RPM | 6000 RPM | 3120 RPM |
| Torque | 108 Nm | 230 Nm |
| Torque RPM | 3600 RPM | 1500 RPM |
| Engine Bore Size | 68 mm | 84 mm |
| Engine Stroke Size | 60.5 mm | 90 mm |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 820 kg | 1595 kg |
| Vehicle Length | 3400 mm | 4640 mm |
| Vehicle Width | 1480 mm | 1800 mm |
| Vehicle Height | 1580 mm | 1470 mm |
| Wheelbase Size | 2370 mm | 2740 mm |
