2003 Alfa Romeo 166 vs. 2007 Infiniti QX56
To start off, 2007 Infiniti QX56 is newer by 4 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 5,552 cc (8 cylinders), 2007 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2007 Infiniti QX56 (320 HP @ 4900 RPM) has 103 more horse power than 2003 Alfa Romeo 166. (217 HP @ 6300 RPM) In normal driving conditions, 2007 Infiniti QX56 should accelerate faster than 2003 Alfa Romeo 166.
Because 2007 Infiniti QX56 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 Infiniti QX56. However, in wet, icy, snow, or gravel driving conditions, 2003 Alfa Romeo 166, being front wheel drive (FWD), will offer much better control with better grip. 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 Infiniti QX56 (533 Nm @ 3600 RPM) has 268 more torque (in Nm) than 2003 Alfa Romeo 166. (265 Nm @ 5000 RPM). This means 2007 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 166.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2007 Infiniti QX56 | |
| Make | Alfa Romeo | Infiniti |
| Model | 166 | QX56 |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 5552 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 217 HP | 320 HP |
| Engine RPM | 6300 RPM | 4900 RPM |
| Torque | 265 Nm | 533 Nm |
| Torque RPM | 5000 RPM | 3600 RPM |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4730 mm | 5260 mm |
| Vehicle Width | 1810 mm | 2010 mm |
| Vehicle Height | 1420 mm | 1960 mm |
| Wheelbase Size | 2600 mm | 3140 mm |
| Fuel Consumption | 9.3 L/100km | 13.1 L/100km |
| Fuel Consumption City | 19.4 L/100km | 18.1 L/100km |
| Fuel Consumption Overall | 13 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 69 L | 106 L |
