2003 Alfa Romeo 156 vs. 2006 Nissan Xterra
To start off, 2006 Nissan Xterra is newer by 3 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 3,954 cc (6 cylinders), 2006 Nissan Xterra is equipped with a bigger engine. In terms of performance, 2006 Nissan Xterra (265 HP @ 5600 RPM) has 76 more horse power than 2003 Alfa Romeo 156. (189 HP @ 6300 RPM) In normal driving conditions, 2006 Nissan Xterra should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2006 Nissan Xterra weights approximately 130 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 2006 Nissan Xterra 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, 2006 Nissan Xterra 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 Nissan Xterra (385 Nm @ 4000 RPM) has 167 more torque (in Nm) than 2003 Alfa Romeo 156. (218 Nm @ 5000 RPM). This means 2006 Nissan Xterra will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 156.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2006 Nissan Xterra | |
| Make | Alfa Romeo | Nissan |
| Model | 156 | Xterra |
| Year Released | 2003 | 2006 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 3954 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 265 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 218 Nm | 385 Nm |
| Torque RPM | 5000 RPM | 4000 RPM |
| Engine Bore Size | 88 mm | 96 mm |
| Engine Stroke Size | 68.3 mm | 92 mm |
| Engine Compression Ratio | 10.3:1 | 10.3:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1410 kg | 1540 kg |
| Vehicle Length | 4450 mm | 4550 mm |
| Vehicle Width | 1750 mm | 1860 mm |
| Vehicle Height | 1440 mm | 1910 mm |
| Wheelbase Size | 2600 mm | 2710 mm |
| Fuel Consumption | 8.5 L/100km | 10.8 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 12.5 L/100km |
| Fuel Tank Capacity | 63 L | 80 L |
