2008 Audi A8 vs. 2004 Infiniti QX56
To start off, 2008 Audi A8 is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Infiniti QX56. In addition, the cost of maintenance, including insurance, on 2004 Infiniti QX56 would be higher. At 5,556 cc (8 cylinders), 2004 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (330 HP) has 15 more horse power than 2004 Infiniti QX56. (315 HP). In normal driving conditions, 2008 Audi A8 should accelerate faster than 2004 Infiniti QX56. With that said, vehicle weight also plays an important factor in acceleration. 2004 Infiniti QX56 weights approximately 521 kg more than 2008 Audi A8.
Because 2008 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Infiniti QX56. In wet, icy, snow, or gravel driving conditions, 2008 Audi A8 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, 2004 Infiniti QX56 (529 Nm) has 98 more torque (in Nm) than 2008 Audi A8. (431 Nm). This means 2004 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A8.
Compare all specifications:
| 2008 Audi A8 | 2004 Infiniti QX56 | |
| Make | Audi | Infiniti |
| Model | A8 | QX56 |
| Year Released | 2008 | 2004 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 5556 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 330 HP | 315 HP |
| Torque | 431 Nm | 529 Nm |
| Engine Bore Size | 84.5 mm | 98 mm |
| Engine Stroke Size | 93 mm | 92 mm |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1910 kg | 2431 kg |
| Vehicle Length | 5190 mm | 5260 mm |
| Vehicle Width | 1900 mm | 2010 mm |
| Vehicle Height | 1460 mm | 1980 mm |
| Wheelbase Size | 3080 mm | 3140 mm |
| Fuel Consumption Overall | 11.9 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 90 L | 106 L |
