2009 Audi A8 vs. 2002 Infiniti Q45
To start off, 2009 Audi A8 is newer by 7 year(s). Which means there will be less support and parts availability for 2002 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 2002 Infiniti Q45 would be higher. At 4,493 cc (8 cylinders), 2002 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2002 Infiniti Q45 (288 HP @ 6000 RPM) has 12 more horse power than 2009 Audi A8. (276 HP @ 6000 RPM) In normal driving conditions, 2002 Infiniti Q45 should accelerate faster than 2009 Audi A8.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2002 Infiniti Q45. In wet, icy, snow, or gravel driving conditions, 2009 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, 2002 Infiniti Q45 (396 Nm @ 4000 RPM) has 36 more torque (in Nm) than 2009 Audi A8. (360 Nm @ 3750 RPM). This means 2002 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8.
Compare all specifications:
| 2009 Audi A8 | 2002 Infiniti Q45 | |
| Make | Audi | Infiniti |
| Model | A8 | Q45 |
| Year Released | 2009 | 2002 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3696 cc | 4493 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 276 HP | 288 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 360 Nm | 396 Nm |
| Torque RPM | 3750 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 93 mm |
| Engine Stroke Size | 82.4 mm | 82.8 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1770 kg | 1770 kg |
| Vehicle Length | 5060 mm | 5080 mm |
| Vehicle Width | 1900 mm | 1850 mm |
| Vehicle Height | 1450 mm | 1500 mm |
| Wheelbase Size | 2950 mm | 2880 mm |
| Fuel Tank Capacity | 90 L | 60 L |
