2005 Fiat Siena vs. 2006 Isuzu Ascender
To start off, 2006 Isuzu Ascender is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2005 Fiat Siena would be higher. At 4,195 cc (6 cylinders), 2006 Isuzu Ascender is equipped with a bigger engine. In terms of performance, 2006 Isuzu Ascender (276 HP @ 6000 RPM) has 152 more horse power than 2005 Fiat Siena. (124 HP @ 4000 RPM) In normal driving conditions, 2006 Isuzu Ascender should accelerate faster than 2005 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2006 Isuzu Ascender weights approximately 1075 kg more than 2005 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Isuzu Ascender is four wheel drive (4WD), it will have significant more traction and grip than 2005 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2006 Isuzu Ascender 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, 2006 Isuzu Ascender (373 Nm @ 3600 RPM) has 233 more torque (in Nm) than 2005 Fiat Siena. (140 Nm @ 4000 RPM). This means 2006 Isuzu Ascender will have an easier job in driving up hills or pulling heavy equipment than 2005 Fiat Siena.
Compare all specifications:
| 2005 Fiat Siena | 2006 Isuzu Ascender | |
| Make | Fiat | Isuzu |
| Model | Siena | Ascender |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1585 cc | 4195 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 124 HP | 276 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 140 Nm | 373 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Engine Bore Size | 86.4 mm | 93 mm |
| Engine Stroke Size | 67.4 mm | 102 mm |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1095 kg | 2170 kg |
| Wheelbase Size | 2450 mm | 3280 mm |
| Fuel Tank Capacity | 47 L | 95 L |
