2004 Beijing BJ 2021 vs. 2006 Opel Signum
To start off, 2006 Opel Signum is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Beijing BJ 2021. In addition, the cost of maintenance, including insurance, on 2004 Beijing BJ 2021 would be higher. At 2,466 cc (4 cylinders), 2004 Beijing BJ 2021 is equipped with a bigger engine. In terms of performance, 2006 Opel Signum (120 HP @ 6000 RPM) has 9 more horse power than 2004 Beijing BJ 2021. (111 HP @ 4800 RPM) In normal driving conditions, 2006 Opel Signum should accelerate faster than 2004 Beijing BJ 2021. With that said, vehicle weight also plays an important factor in acceleration. 2004 Beijing BJ 2021 weights approximately 30 kg more than 2006 Opel Signum.
Because 2004 Beijing BJ 2021 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2004 Beijing BJ 2021 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, 2004 Beijing BJ 2021 (180 Nm @ 3200 RPM) has 12 more torque (in Nm) than 2006 Opel Signum. (168 Nm @ 3800 RPM). This means 2004 Beijing BJ 2021 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Signum.
Compare all specifications:
| 2004 Beijing BJ 2021 | 2006 Opel Signum | |
| Make | Beijing | Opel |
| Model | BJ 2021 | Signum |
| Year Released | 2004 | 2006 |
| Engine Size | 2466 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 111 HP | 120 HP |
| Engine RPM | 4800 RPM | 6000 RPM |
| Torque | 180 Nm | 168 Nm |
| Torque RPM | 3200 RPM | 3800 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1510 kg | 1480 kg |
| Vehicle Length | 4330 mm | 4640 mm |
| Vehicle Width | 1800 mm | 1800 mm |
| Vehicle Height | 1770 mm | 1470 mm |
| Wheelbase Size | 2680 mm | 2840 mm |
