2008 Audi A6 vs. 2003 Infiniti Q45
To start off, 2008 Audi A6 is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 2003 Infiniti Q45 would be higher. At 4,494 cc (8 cylinders), 2003 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2003 Infiniti Q45 (340 HP @ 6400 RPM) has 44 more horse power than 2008 Audi A6. (296 HP @ 6200 RPM) In normal driving conditions, 2003 Infiniti Q45 should accelerate faster than 2008 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A6 weights approximately 56 kg more than 2003 Infiniti Q45.
Because 2008 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Infiniti Q45. In wet, icy, snow, or gravel driving conditions, 2008 Audi A6 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, 2003 Infiniti Q45 (451 Nm @ 4000 RPM) has 70 more torque (in Nm) than 2008 Audi A6. (381 Nm @ 2700 RPM). This means 2003 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A6.
Compare all specifications:
| 2008 Audi A6 | 2003 Infiniti Q45 | |
| Make | Audi | Infiniti |
| Model | A6 | Q45 |
| Year Released | 2008 | 2003 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4494 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 296 HP | 340 HP |
| Engine RPM | 6200 RPM | 6400 RPM |
| Torque | 381 Nm | 451 Nm |
| Torque RPM | 2700 RPM | 4000 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1860 kg | 1804 kg |
| Vehicle Length | 4820 mm | 5080 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1560 mm | 1500 mm |
| Wheelbase Size | 2760 mm | 2880 mm |
| Fuel Tank Capacity | 70 L | 81 L |
