2005 Infiniti QX56 vs. 2007 Volvo S80
To start off, 2007 Volvo S80 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Infiniti QX56. In addition, the cost of maintenance, including insurance, on 2005 Infiniti QX56 would be higher. At 5,555 cc (8 cylinders), 2005 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2005 Infiniti QX56 (315 HP @ 6400 RPM) has 108 more horse power than 2007 Volvo S80. (207 HP @ 5000 RPM). In normal driving conditions, 2005 Infiniti QX56 should accelerate faster than 2007 Volvo S80. With that said, vehicle weight also plays an important factor in acceleration. 2005 Infiniti QX56 weights approximately 233 kg more than 2007 Volvo S80. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Volvo S80 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Infiniti QX56. In wet, icy, snow, or gravel driving conditions, 2007 Volvo S80 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, 2005 Infiniti QX56 (529 Nm) has 209 more torque (in Nm) than 2007 Volvo S80. (320 Nm). This means 2005 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2007 Volvo S80.
Compare all specifications:
| 2005 Infiniti QX56 | 2007 Volvo S80 | |
| Make | Infiniti | Volvo |
| Model | QX56 | S80 |
| Year Released | 2005 | 2007 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5555 cc | 2521 cc |
| Engine Cylinders | 8 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 315 HP | 207 HP |
| Engine RPM | 6400 RPM | 5000 RPM |
| Torque | 529 Nm | 320 Nm |
| Engine Bore Size | 98 mm | 83 mm |
| Engine Stroke Size | 92 mm | 93.2 mm |
| Engine Compression Ratio | 9.8:1 | 9.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2431 kg | 2198 kg |
| Vehicle Length | 5260 mm | 4860 mm |
| Vehicle Width | 2010 mm | 1840 mm |
| Vehicle Height | 1960 mm | 1440 mm |
| Wheelbase Size | 3140 mm | 2800 mm |
| Fuel Consumption Highway | 12.4 L/100km | 8.9 L/100km |
| Fuel Consumption Overall | 15.7 L/100km | 10.9 L/100km |
| Fuel Tank Capacity | 106 L | 80 L |
