2009 Audi R8 vs. 2008 Infiniti QX56
To start off, 2009 Audi R8 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Infiniti QX56. In addition, the cost of maintenance, including insurance, on 2008 Infiniti QX56 would be higher. At 5,552 cc (8 cylinders), 2008 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2009 Audi R8 (414 HP @ 7800 RPM) has 94 more horse power than 2008 Infiniti QX56. (320 HP @ 5200 RPM). In normal driving conditions, 2009 Audi R8 should accelerate faster than 2008 Infiniti QX56. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi R8 weights approximately 245 kg more than 2008 Infiniti QX56. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 103 more torque (in Nm) than 2009 Audi R8. (430 Nm @ 4500 RPM). This means 2008 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi R8.
Compare all specifications:
| 2009 Audi R8 | 2008 Infiniti QX56 | |
| Make | Audi | Infiniti |
| Model | R8 | QX56 |
| Year Released | 2009 | 2008 |
| Body Type | Coupe | SUV |
| Engine Position | Middle | Front |
| Engine Size | 4163 cc | 5552 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 320 HP |
| Engine RPM | 7800 RPM | 5200 RPM |
| Torque | 430 Nm | 533 Nm |
| Torque RPM | 4500 RPM | 3400 RPM |
| Drive Type | AWD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1565 kg | 1320 kg |
| Vehicle Length | 4440 mm | 5260 mm |
| Vehicle Width | 1910 mm | 2030 mm |
| Vehicle Height | 1260 mm | 2010 mm |
| Wheelbase Size | 2660 mm | 3140 mm |
| Fuel Consumption Overall | 13.8 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 75 L | 106 L |
