2003 Beijing BJ 2021 vs. 2007 Fiat Siena
To start off, 2007 Fiat Siena is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Beijing BJ 2021. In addition, the cost of maintenance, including insurance, on 2003 Beijing BJ 2021 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 43 more horse power than 2007 Fiat Siena. (68 HP @ 4600 RPM). In normal driving conditions, 2003 Beijing BJ 2021 should accelerate faster than 2007 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2003 Beijing BJ 2021 weights approximately 420 kg more than 2007 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Beijing BJ 2021 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Beijing BJ 2021 (180 Nm @ 3200 RPM) has 45 more torque (in Nm) than 2007 Fiat Siena. (135 Nm @ 2500 RPM). This means 2003 Beijing BJ 2021 will have an easier job in driving up hills or pulling heavy equipment than 2007 Fiat Siena.
Compare all specifications:
| 2003 Beijing BJ 2021 | 2007 Fiat Siena | |
| Make | Beijing | Fiat |
| Model | BJ 2021 | Siena |
| Year Released | 2003 | 2007 |
| Engine Size | 2464 cc | 1697 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 111 HP | 68 HP |
| Engine RPM | 4800 RPM | 4600 RPM |
| Torque | 180 Nm | 135 Nm |
| Torque RPM | 3200 RPM | 2500 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1510 kg | 1090 kg |
| Vehicle Length | 4330 mm | 4140 mm |
| Vehicle Width | 1800 mm | 1640 mm |
| Vehicle Height | 1770 mm | 1440 mm |
| Wheelbase Size | 2680 mm | 2380 mm |
