2001 Chevrolet Astro vs. 2006 Fiat Siena
To start off, 2006 Fiat Siena is newer by 5 year(s). Which means there will be less support and parts availability for 2001 Chevrolet Astro. In addition, the cost of maintenance, including insurance, on 2001 Chevrolet Astro would be higher. At 4,293 cc (6 cylinders), 2001 Chevrolet Astro is equipped with a bigger engine. In terms of performance, 2001 Chevrolet Astro (183 HP @ 4400 RPM) has 82 more horse power than 2006 Fiat Siena. (101 HP @ 5500 RPM). In normal driving conditions, 2001 Chevrolet Astro should accelerate faster than 2006 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2001 Chevrolet Astro weights approximately 112 kg more than 2006 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2001 Chevrolet Astro is four wheel drive (4WD), it will have significant more traction and grip than 2006 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2001 Chevrolet Astro 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, 2001 Chevrolet Astro (338 Nm @ 2800 RPM) has 198 more torque (in Nm) than 2006 Fiat Siena. (140 Nm @ 4000 RPM). This means 2001 Chevrolet Astro will have an easier job in driving up hills or pulling heavy equipment than 2006 Fiat Siena.
Compare all specifications:
| 2001 Chevrolet Astro | 2006 Fiat Siena | |
| Make | Chevrolet | Fiat |
| Model | Astro | Siena |
| Year Released | 2001 | 2006 |
| Body Type | Minivan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4293 cc | 1581 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 183 HP | 101 HP |
| Engine RPM | 4400 RPM | 5500 RPM |
| Torque | 338 Nm | 140 Nm |
| Torque RPM | 2800 RPM | 4000 RPM |
| Engine Bore Size | 101.7 mm | 86.4 mm |
| Engine Stroke Size | 88.4 mm | 67.4 mm |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 8 seats | 5 seats |
| Vehicle Weight | 1895 kg | 1783 kg |
| Vehicle Length | 4830 mm | 3830 mm |
| Vehicle Width | 1980 mm | 1640 mm |
| Vehicle Height | 1910 mm | 1440 mm |
| Wheelbase Size | 2830 mm | 2380 mm |
