2007 Fiat Siena vs. 2006 Jeep Grand Cherokee
To start off, 2007 Fiat Siena is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Jeep Grand Cherokee. In addition, the cost of maintenance, including insurance, on 2006 Jeep Grand Cherokee would be higher. At 4,703 cc (8 cylinders), 2006 Jeep Grand Cherokee is equipped with a bigger engine. In terms of performance, 2006 Jeep Grand Cherokee (228 HP @ 4500 RPM) has 128 more horse power than 2007 Fiat Siena. (100 HP @ 5500 RPM) In normal driving conditions, 2006 Jeep Grand Cherokee should accelerate faster than 2007 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2006 Jeep Grand Cherokee weights approximately 1140 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 2006 Jeep Grand Cherokee 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, 2006 Jeep Grand Cherokee 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 Jeep Grand Cherokee (410 Nm @ 3600 RPM) has 270 more torque (in Nm) than 2007 Fiat Siena. (140 Nm @ 4000 RPM). This means 2006 Jeep Grand Cherokee will have an easier job in driving up hills or pulling heavy equipment than 2007 Fiat Siena. 2006 Jeep Grand Cherokee has automatic transmission and 2007 Fiat Siena has manual transmission. 2007 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Jeep Grand Cherokee will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Fiat Siena | 2006 Jeep Grand Cherokee | |
| Make | Fiat | Jeep |
| Model | Siena | Grand Cherokee |
| Year Released | 2007 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1581 cc | 4703 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 100 HP | 228 HP |
| Engine RPM | 5500 RPM | 4500 RPM |
| Torque | 140 Nm | 410 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Engine Compression Ratio | 9.5:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 179 km/hour | 200 km/hour |
| Acceleration 0-100mph | 11.5 seconds | 8.8 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1070 kg | 2210 kg |
| Vehicle Width | 1640 mm | 1880 mm |
| Wheelbase Size | 2380 mm | 2790 mm |
| Fuel Consumption Overall | 8.2 L/100km | 15 L/100km |
| Fuel Tank Capacity | 54 L | 78 L |
