2008 Audi A4 vs. 2007 Infiniti QX56
To start off, 2008 Audi A4 is newer by 1 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, 2007 Infiniti QX56 (320 HP @ 4900 RPM) has 90 more horse power than 2008 Audi A4. (230 HP @ 4000 RPM) In normal driving conditions, 2007 Infiniti QX56 should accelerate faster than 2008 Audi A4.
Because 2008 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Infiniti QX56. In wet, icy, snow, or gravel driving conditions, 2008 Audi A4 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 83 more torque (in Nm) than 2008 Audi A4. (450 Nm @ 1400 RPM). This means 2007 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4. 2007 Infiniti QX56 has automatic transmission and 2008 Audi A4 has manual transmission. 2008 Audi A4 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:
| 2008 Audi A4 | 2007 Infiniti QX56 | |
| Make | Audi | Infiniti |
| Model | A4 | QX56 |
| Year Released | 2008 | 2007 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 5552 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 230 HP | 320 HP |
| Engine RPM | 4000 RPM | 4900 RPM |
| Torque | 450 Nm | 533 Nm |
| Torque RPM | 1400 RPM | 3600 RPM |
| Fuel Type | Diesel | Diesel |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 4580 mm | 5260 mm |
| Vehicle Width | 1780 mm | 2010 mm |
| Vehicle Height | 1400 mm | 1960 mm |
| Wheelbase Size | 2660 mm | 3140 mm |
| Fuel Consumption Overall | 8 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 63 L | 106 L |
