2006 Alfa Romeo 159 vs. 2008 Infiniti QX56
To start off, 2008 Infiniti QX56 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Alfa Romeo 159. In addition, the cost of maintenance, including insurance, on 2006 Alfa Romeo 159 would be higher. At 5,552 cc (8 cylinders), 2008 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2008 Infiniti QX56 (320 HP @ 5200 RPM) has 64 more horse power than 2006 Alfa Romeo 159. (256 HP @ 6200 RPM) In normal driving conditions, 2008 Infiniti QX56 should accelerate faster than 2006 Alfa Romeo 159. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo 159 weights approximately 525 kg more than 2008 Infiniti QX56.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2008 Infiniti QX56 (533 Nm @ 3400 RPM) has 211 more torque (in Nm) than 2006 Alfa Romeo 159. (322 Nm @ 4500 RPM). This means 2008 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 159. 2008 Infiniti QX56 has automatic transmission and 2006 Alfa Romeo 159 has manual transmission. 2006 Alfa Romeo 159 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Infiniti QX56 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Alfa Romeo 159 | 2008 Infiniti QX56 | |
| Make | Alfa Romeo | Infiniti |
| Model | 159 | QX56 |
| Year Released | 2006 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3195 cc | 5552 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 256 HP | 320 HP |
| Engine RPM | 6200 RPM | 5200 RPM |
| Torque | 322 Nm | 533 Nm |
| Torque RPM | 4500 RPM | 3400 RPM |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1845 kg | 1320 kg |
| Vehicle Length | 4670 mm | 5260 mm |
| Vehicle Width | 1830 mm | 2030 mm |
| Vehicle Height | 1420 mm | 2010 mm |
| Wheelbase Size | 2710 mm | 3140 mm |
| Fuel Consumption | 8.5 L/100km | 13.8 L/100km |
| Fuel Consumption City | 15.9 L/100km | 19.6 L/100km |
| Fuel Consumption Overall | 11.2 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 70 L | 106 L |
