2006 Audi A8 vs. 1999 Infiniti Q45
To start off, 2006 Audi A8 is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 1999 Infiniti Q45 would be higher. At 4,128 cc (8 cylinders), 1999 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 1999 Infiniti Q45 (265 HP) has 9 more horse power than 2006 Audi A8. (256 HP) In normal driving conditions, 1999 Infiniti Q45 should accelerate faster than 2006 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A8 weights approximately 121 kg more than 1999 Infiniti Q45.
Because 1999 Infiniti Q45 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1999 Infiniti Q45. However, in wet, icy, snow, or gravel driving conditions, 2006 Audi A8, being front wheel drive (FWD), will offer much better control with better grip. 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, 1999 Infiniti Q45 (378 Nm @ 4000 RPM) has 48 more torque (in Nm) than 2006 Audi A8. (330 Nm @ 3250 RPM). This means 1999 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A8.
Compare all specifications:
| 2006 Audi A8 | 1999 Infiniti Q45 | |
| Make | Audi | Infiniti |
| Model | A8 | Q45 |
| Year Released | 2006 | 1999 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 4128 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 256 HP | 265 HP |
| Torque | 330 Nm | 378 Nm |
| Torque RPM | 3250 RPM | 4000 RPM |
| Engine Compression Ratio | 13.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1880 kg | 1759 kg |
| Vehicle Length | 5060 mm | 5080 mm |
| Vehicle Width | 1900 mm | 1830 mm |
| Vehicle Height | 1450 mm | 1450 mm |
| Wheelbase Size | 2950 mm | 2840 mm |
| Fuel Tank Capacity | 90 L | 60 L |
