2001 Daihatsu U4 B vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 6 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 1,796 cc (4 cylinders), 2007 Opel Astra is equipped with a bigger engine. In terms of performance, 2007 Opel Astra (123 HP @ 5600 RPM) has 61 more horse power than 2001 Daihatsu U4 B. (62 HP @ 6000 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 2001 Daihatsu U4 B. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 490 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 2007 Opel Astra. 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, 2007 Opel Astra (170 Nm @ 3800 RPM) has 62 more torque (in Nm) than 2001 Daihatsu U4 B. (108 Nm @ 3600 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2001 Daihatsu U4 B.
Compare all specifications:
| 2001 Daihatsu U4 B | 2007 Opel Astra | |
| Make | Daihatsu | Opel |
| Model | U4 B | Astra |
| Year Released | 2001 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 660 cc | 1796 cc |
| Engine Cylinders | 3 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 62 HP | 123 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 108 Nm | 170 Nm |
| Torque RPM | 3600 RPM | 3800 RPM |
| Engine Bore Size | 68 mm | 80.5 mm |
| Engine Stroke Size | 60.5 mm | 88.2 mm |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 820 kg | 1310 kg |
| Vehicle Length | 3400 mm | 4260 mm |
| Vehicle Width | 1480 mm | 1760 mm |
| Vehicle Height | 1580 mm | 1470 mm |
| Wheelbase Size | 2370 mm | 2620 mm |
