1991 Beijing BJ 2020 vs. 2004 Opel Signum
To start off, 2004 Opel Signum is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Beijing BJ 2020. In addition, the cost of maintenance, including insurance, on 1991 Beijing BJ 2020 would be higher. At 2,444 cc (4 cylinders), 1991 Beijing BJ 2020 is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (148 HP @ 4000 RPM) has 78 more horse power than 1991 Beijing BJ 2020. (70 HP @ 3800 RPM) In normal driving conditions, 2004 Opel Signum should accelerate faster than 1991 Beijing BJ 2020. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 60 kg more than 1991 Beijing BJ 2020. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Beijing BJ 2020 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Opel Signum. In wet, icy, snow, or gravel driving conditions, 1991 Beijing BJ 2020 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 Opel Signum (326 Nm @ 2000 RPM) has 166 more torque (in Nm) than 1991 Beijing BJ 2020. (160 Nm @ 2200 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1991 Beijing BJ 2020.
Compare all specifications:
| 1991 Beijing BJ 2020 | 2004 Opel Signum | |
| Make | Beijing | Opel |
| Model | BJ 2020 | Signum |
| Year Released | 1991 | 2004 |
| Engine Size | 2444 cc | 1908 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 70 HP | 148 HP |
| Engine RPM | 3800 RPM | 4000 RPM |
| Torque | 160 Nm | 326 Nm |
| Torque RPM | 2200 RPM | 2000 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1550 kg | 1610 kg |
| Vehicle Length | 3870 mm | 4640 mm |
| Vehicle Width | 1760 mm | 1800 mm |
| Vehicle Height | 1880 mm | 1470 mm |
| Wheelbase Size | 2310 mm | 2840 mm |
