2009 Audi R8 vs. 2007 Infiniti QX56
To start off, 2009 Audi R8 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Infiniti QX56. In addition, the cost of maintenance, including insurance, on 2007 Infiniti QX56 would be higher. At 5,552 cc (8 cylinders), 2007 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2009 Audi R8 (518 HP @ 8000 RPM) has 198 more horse power than 2007 Infiniti QX56. (320 HP @ 4900 RPM). In normal driving conditions, 2009 Audi R8 should accelerate faster than 2007 Infiniti QX56.
Because 2009 Audi R8 is all wheel drive (AWD), it will have significant more traction and grip than 2007 Infiniti QX56. In wet, icy, snow, or gravel driving conditions, 2009 Audi R8 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, 2007 Infiniti QX56 (533 Nm @ 3600 RPM) has 3 more torque (in Nm) than 2009 Audi R8. (530 Nm @ 6500 RPM). This means 2007 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi R8. 2007 Infiniti QX56 has automatic transmission and 2009 Audi R8 has manual transmission. 2009 Audi R8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Infiniti QX56 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi R8 | 2007 Infiniti QX56 | |
| Make | Audi | Infiniti |
| Model | R8 | QX56 |
| Year Released | 2009 | 2007 |
| Body Type | Coupe | SUV |
| Engine Position | Middle | Front |
| Engine Size | 5204 cc | 5552 cc |
| Engine Cylinders | 10 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 518 HP | 320 HP |
| Engine RPM | 8000 RPM | 4900 RPM |
| Torque | 530 Nm | 533 Nm |
| Torque RPM | 6500 RPM | 3600 RPM |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | AWD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 4440 mm | 5260 mm |
| Vehicle Width | 1940 mm | 2010 mm |
| Vehicle Height | 1260 mm | 1960 mm |
| Wheelbase Size | 2660 mm | 3140 mm |
| Fuel Consumption | 12.4 L/100km | 13.1 L/100km |
| Fuel Consumption City | 19.6 L/100km | 18.1 L/100km |
| Fuel Consumption Overall | 15.7 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 75 L | 106 L |
