2003 Alfa Romeo 166 vs. 2009 Nissan Xterra
To start off, 2009 Nissan Xterra is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 166 would be higher. At 3,952 cc (6 cylinders), 2009 Nissan Xterra is equipped with a bigger engine. In terms of performance, 2009 Nissan Xterra (261 HP @ 5600 RPM) has 113 more horse power than 2003 Alfa Romeo 166. (148 HP @ 4000 RPM) In normal driving conditions, 2009 Nissan Xterra should accelerate faster than 2003 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2009 Nissan Xterra weights approximately 12 kg more than 2003 Alfa Romeo 166. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Nissan Xterra is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Nissan Xterra (381 Nm @ 4000 RPM) has 81 more torque (in Nm) than 2003 Alfa Romeo 166. (300 Nm @ 1800 RPM). This means 2009 Nissan Xterra will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 166. 2009 Nissan Xterra has automatic transmission and 2003 Alfa Romeo 166 has manual transmission. 2003 Alfa Romeo 166 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Nissan Xterra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2009 Nissan Xterra | |
| Make | Alfa Romeo | Nissan |
| Model | 166 | Xterra |
| Year Released | 2003 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 3952 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 261 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 300 Nm | 381 Nm |
| Torque RPM | 1800 RPM | 4000 RPM |
| Engine Compression Ratio | 18.5:1 | 10.3:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1542 kg | 1554 kg |
| Vehicle Length | 4730 mm | 4550 mm |
| Vehicle Width | 1810 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1910 mm |
| Wheelbase Size | 2600 mm | 2710 mm |
| Fuel Consumption | 6.1 L/100km | 11.8 L/100km |
| Fuel Consumption City | 9.9 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 7.5 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 69 L | 80 L |
