2003 Fiat Siena vs. 2007 Jeep Commander
To start off, 2007 Jeep Commander is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2003 Fiat Siena would be higher. At 3,700 cc (6 cylinders), 2007 Jeep Commander is equipped with a bigger engine. In terms of performance, 2007 Jeep Commander (210 HP @ 5200 RPM) has 140 more horse power than 2003 Fiat Siena. (70 HP @ 5750 RPM) In normal driving conditions, 2007 Jeep Commander should accelerate faster than 2003 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2007 Jeep Commander weights approximately 1390 kg more than 2003 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 2003 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 (319 Nm @ 4000 RPM) has 224 more torque (in Nm) than 2003 Fiat Siena. (95 Nm @ 4000 RPM). This means 2007 Jeep Commander will have an easier job in driving up hills or pulling heavy equipment than 2003 Fiat Siena. 2007 Jeep Commander has automatic transmission and 2003 Fiat Siena has manual transmission. 2003 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:
2003 Fiat Siena | 2007 Jeep Commander | |
Make | Fiat | Jeep |
Model | Siena | Commander |
Year Released | 2003 | 2007 |
Body Type | Sedan | SUV |
Engine Position | Front | Front |
Engine Size | 999 cc | 3700 cc |
Engine Cylinders | 4 cylinders | 6 cylinders |
Engine Type | in-line | V |
Horse Power | 70 HP | 210 HP |
Engine RPM | 5750 RPM | 5200 RPM |
Torque | 95 Nm | 319 Nm |
Torque RPM | 4000 RPM | 4000 RPM |
Fuel Type | Gasoline | Gasoline - Premium |
Drive Type | Front | 4WD |
Transmission Type | Manual | Automatic |
Number of Seats | 5 seats | 7 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1020 kg | 2410 kg |
Vehicle Length | 4110 mm | 4790 mm |
Vehicle Width | 1630 mm | 1910 mm |
Vehicle Height | 1470 mm | 1840 mm |
Wheelbase Size | 2380 mm | 2790 mm |