2007 Fiat Siena vs. 2007 Jeep Commander
To start off, both 2007 Fiat Siena and 2007 Jeep Commander were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,987 cc (6 cylinders), 2007 Jeep Commander is equipped with a bigger engine. In terms of performance, 2007 Jeep Commander (215 HP @ 4000 RPM) has 115 more horse power than 2007 Fiat Siena. (100 HP @ 5500 RPM) In normal driving conditions, 2007 Jeep Commander should accelerate faster than 2007 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2007 Jeep Commander weights approximately 1285 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 2007 Jeep Commander 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, 2007 Jeep Commander 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, 2007 Jeep Commander (510 Nm @ 1600 RPM) has 370 more torque (in Nm) than 2007 Fiat Siena. (140 Nm @ 4000 RPM). This means 2007 Jeep Commander will have an easier job in driving up hills or pulling heavy equipment than 2007 Fiat Siena. 2007 Jeep Commander 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. 2007 Jeep Commander will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Fiat Siena | 2007 Jeep Commander | |
| Make | Fiat | Jeep |
| Model | Siena | Commander |
| Year Released | 2007 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1581 cc | 2987 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 100 HP | 215 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 140 Nm | 510 Nm |
| Torque RPM | 4000 RPM | 1600 RPM |
| Engine Compression Ratio | 9.5:1 | 17.7:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 179 km/hour | 186 km/hour |
| Acceleration 0-100mph | 11.5 seconds | 9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1070 kg | 2355 kg |
| Vehicle Width | 1640 mm | 1910 mm |
| Wheelbase Size | 2380 mm | 2790 mm |
| Fuel Consumption Overall | 8.2 L/100km | 10.8 L/100km |
| Fuel Tank Capacity | 54 L | 80 L |
