2003 Beijing BJ 2021 vs. 1981 Nissan Sunny
To start off, 2003 Beijing BJ 2021 is newer by 22 year(s). Which means there will be less support and parts availability for 1981 Nissan Sunny. In addition, the cost of maintenance, including insurance, on 1981 Nissan Sunny would be higher. At 2,464 cc (4 cylinders), 2003 Beijing BJ 2021 is equipped with a bigger engine. In terms of performance, 2003 Beijing BJ 2021 (111 HP @ 4800 RPM) has 58 more horse power than 1981 Nissan Sunny. (53 HP @ 4800 RPM). In normal driving conditions, 2003 Beijing BJ 2021 should accelerate faster than 1981 Nissan Sunny. With that said, vehicle weight also plays an important factor in acceleration. 2003 Beijing BJ 2021 weights approximately 600 kg more than 1981 Nissan Sunny. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2003 Beijing BJ 2021 (180 Nm @ 3200 RPM) has 76 more torque (in Nm) than 1981 Nissan Sunny. (104 Nm @ 2800 RPM). This means 2003 Beijing BJ 2021 will have an easier job in driving up hills or pulling heavy equipment than 1981 Nissan Sunny.
Compare all specifications:
| 2003 Beijing BJ 2021 | 1981 Nissan Sunny | |
| Make | Beijing | Nissan |
| Model | BJ 2021 | Sunny |
| Year Released | 2003 | 1981 |
| Engine Size | 2464 cc | 1680 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 111 HP | 53 HP |
| Engine RPM | 4800 RPM | 4800 RPM |
| Torque | 180 Nm | 104 Nm |
| Torque RPM | 3200 RPM | 2800 RPM |
| Fuel Type | Gasoline | Diesel |
| Vehicle Weight | 1510 kg | 910 kg |
| Vehicle Length | 4330 mm | 4140 mm |
| Vehicle Width | 1800 mm | 1650 mm |
| Vehicle Height | 1770 mm | 1400 mm |
| Wheelbase Size | 2680 mm | 2410 mm |
