2003 Alfa Romeo 156 vs. 2009 Jeep Commander
To start off, 2009 Jeep Commander is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 156 would be higher. At 4,701 cc (8 cylinders), 2009 Jeep Commander is equipped with a bigger engine. In terms of performance, 2009 Jeep Commander (305 HP @ 5650 RPM) has 167 more horse power than 2003 Alfa Romeo 156. (138 HP @ 6200 RPM) In normal driving conditions, 2009 Jeep Commander should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2009 Jeep Commander weights approximately 703 kg more than 2003 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Jeep Commander is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Jeep Commander (454 Nm @ 3950 RPM) has 290 more torque (in Nm) than 2003 Alfa Romeo 156. (164 Nm @ 3900 RPM). This means 2009 Jeep Commander will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 156. 2009 Jeep Commander has automatic transmission and 2003 Alfa Romeo 156 has manual transmission. 2003 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Jeep Commander will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2009 Jeep Commander | |
| Make | Alfa Romeo | Jeep |
| Model | 156 | Commander |
| Year Released | 2003 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1774 cc | 4701 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 138 HP | 305 HP |
| Engine RPM | 6200 RPM | 5650 RPM |
| Torque | 164 Nm | 454 Nm |
| Torque RPM | 3900 RPM | 3950 RPM |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1340 kg | 2043 kg |
| Vehicle Length | 4440 mm | 4790 mm |
| Vehicle Width | 1750 mm | 1910 mm |
| Vehicle Height | 1400 mm | 1840 mm |
| Wheelbase Size | 2600 mm | 2790 mm |
| Fuel Consumption Overall | 8.5 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 63 L | 80 L |
