2005 Chevrolet Impala vs. 2009 Infiniti QX56
To start off, 2009 Infiniti QX56 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Chevrolet Impala. In addition, the cost of maintenance, including insurance, on 2005 Chevrolet Impala would be higher. At 5,552 cc (8 cylinders), 2009 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2009 Infiniti QX56 (320 HP @ 5200 RPM) has 120 more horse power than 2005 Chevrolet Impala. (200 HP @ 6000 RPM) In normal driving conditions, 2009 Infiniti QX56 should accelerate faster than 2005 Chevrolet Impala. With that said, vehicle weight also plays an important factor in acceleration. 2005 Chevrolet Impala weights approximately 194 kg more than 2009 Infiniti QX56.
Because 2009 Infiniti QX56 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Chevrolet Impala. In wet, icy, snow, or gravel driving conditions, 2009 Infiniti QX56 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 Infiniti QX56 (533 Nm) has 228 more torque (in Nm) than 2005 Chevrolet Impala. (305 Nm). This means 2009 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2005 Chevrolet Impala.
Compare all specifications:
| 2005 Chevrolet Impala | 2009 Infiniti QX56 | |
| Make | Chevrolet | Infiniti |
| Model | Impala | QX56 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3786 cc | 5552 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 200 HP | 320 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 305 Nm | 533 Nm |
| Engine Compression Ratio | 9.4:1 | 10.3:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1514 kg | 1320 kg |
| Vehicle Length | 5090 mm | 5260 mm |
| Vehicle Width | 1860 mm | 2010 mm |
| Vehicle Height | 1460 mm | 2010 mm |
| Wheelbase Size | 2810 mm | 3140 mm |
| Fuel Consumption | 7.8 L/100km | 13.8 L/100km |
| Fuel Consumption City | 11.8 L/100km | 19.6 L/100km |
| Fuel Consumption Overall | 9.8 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 64 L | 106 L |
