2008 Audi A8 vs. 1999 Infiniti QX4
To start off, 2008 Audi A8 is newer by 9 year(s). Which means there will be less support and parts availability for 1999 Infiniti QX4. In addition, the cost of maintenance, including insurance, on 1999 Infiniti QX4 would be higher. At 4,172 cc (8 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (330 HP @ 6500 RPM) has 92 more horse power than 1999 Infiniti QX4. (238 HP @ 6000 RPM). In normal driving conditions, 2008 Audi A8 should accelerate faster than 1999 Infiniti QX4. With that said, vehicle weight also plays an important factor in acceleration. 1999 Infiniti QX4 weights approximately 52 kg more than 2008 Audi A8.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 Audi A8 (431 Nm @ 3500 RPM) has 72 more torque (in Nm) than 1999 Infiniti QX4. (359 Nm @ 3200 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1999 Infiniti QX4.
Compare all specifications:
| 2008 Audi A8 | 1999 Infiniti QX4 | |
| Make | Audi | Infiniti |
| Model | A8 | QX4 |
| Year Released | 2008 | 1999 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 3498 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 330 HP | 238 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 431 Nm | 359 Nm |
| Torque RPM | 3500 RPM | 3200 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1910 kg | 1962 kg |
| Vehicle Length | 5190 mm | 4660 mm |
| Vehicle Width | 1900 mm | 1850 mm |
| Vehicle Height | 1460 mm | 1800 mm |
| Wheelbase Size | 3080 mm | 2710 mm |
