2009 Audi A4 vs. 2008 Infiniti QX56
To start off, 2009 Audi A4 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 5,550 cc (8 cylinders), 2008 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2008 Infiniti QX56 (320 HP @ 5200 RPM) has 179 more horse power than 2009 Audi A4. (141 HP @ 4200 RPM) In normal driving conditions, 2008 Infiniti QX56 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 200 kg more than 2008 Infiniti QX56.
Because 2008 Infiniti QX56 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A4. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Infiniti QX56 (533 Nm @ 3400 RPM) has 213 more torque (in Nm) than 2009 Audi A4. (320 Nm @ 1750 RPM). This means 2008 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4. 2008 Infiniti QX56 has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Infiniti QX56 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 2008 Infiniti QX56 | |
| Make | Audi | Infiniti |
| Model | A4 | QX56 |
| Year Released | 2009 | 2008 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 5550 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 141 HP | 320 HP |
| Engine RPM | 4200 RPM | 5200 RPM |
| Torque | 320 Nm | 533 Nm |
| Torque RPM | 1750 RPM | 3400 RPM |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1520 kg | 1320 kg |
| Vehicle Length | 4710 mm | 5260 mm |
| Vehicle Width | 1830 mm | 2030 mm |
| Vehicle Height | 1440 mm | 1960 mm |
| Wheelbase Size | 2810 mm | 3140 mm |
| Fuel Consumption Overall | 5.7 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 70 L | 106 L |
