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 5,654 cc (8 cylinders), 2009 Jeep Commander is equipped with a bigger engine. In terms of performance, 2009 Jeep Commander (347 HP @ 5000 RPM) has 229 more horse power than 2003 Alfa Romeo 156. (118 HP @ 6500 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 1090 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 (520 Nm @ 4000 RPM) has 380 more torque (in Nm) than 2003 Alfa Romeo 156. (140 Nm @ 4500 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 | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 5654 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 118 HP | 347 HP |
| Engine RPM | 6500 RPM | 5000 RPM |
| Torque | 140 Nm | 520 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Engine Bore Size | 82.1 mm | 99.5 mm |
| Engine Stroke Size | 75.6 mm | 90.9 mm |
| Engine Compression Ratio | 10.3:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 11 seconds | 7.4 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1265 kg | 2355 kg |
| Vehicle Length | 4450 mm | 4790 mm |
| Vehicle Width | 1750 mm | 1910 mm |
| Vehicle Height | 1430 mm | 1830 mm |
| Wheelbase Size | 2600 mm | 2790 mm |
| Fuel Consumption Overall | 5.9 L/100km | 15.6 L/100km |
| Fuel Tank Capacity | 63 L | 80 L |
