2003 Alfa Romeo 166 vs. 2003 Infiniti QX4
To start off, both 2003 Alfa Romeo 166 and 2003 Infiniti QX4 were released in the same year (2003). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,498 cc (6 cylinders), 2003 Infiniti QX4 is equipped with a bigger engine. In terms of performance, 2003 Infiniti QX4 (238 HP @ 6000 RPM) has 21 more horse power than 2003 Alfa Romeo 166. (217 HP @ 6300 RPM) In normal driving conditions, 2003 Infiniti QX4 should accelerate faster than 2003 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2003 Infiniti QX4 weights approximately 410 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 2003 Infiniti QX4 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, 2003 Infiniti QX4 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, 2003 Infiniti QX4 (359 Nm @ 3200 RPM) has 94 more torque (in Nm) than 2003 Alfa Romeo 166. (265 Nm @ 5000 RPM). This means 2003 Infiniti QX4 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 | 2003 Infiniti QX4 | |
| Make | Alfa Romeo | Infiniti |
| Model | 166 | QX4 |
| Year Released | 2003 | 2003 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 3498 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 217 HP | 238 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 265 Nm | 359 Nm |
| Torque RPM | 5000 RPM | 3200 RPM |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1550 kg | 1960 kg |
| Vehicle Length | 4730 mm | 4660 mm |
| Vehicle Width | 1810 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1800 mm |
| Wheelbase Size | 2600 mm | 2710 mm |
