2008 Audi A6 vs. 2005 Infiniti Q45
To start off, 2008 Audi A6 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 2005 Infiniti Q45 would be higher. At 4,490 cc (8 cylinders), 2005 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2005 Infiniti Q45 (340 HP) has 162 more horse power than 2008 Audi A6. (178 HP) In normal driving conditions, 2005 Infiniti Q45 should accelerate faster than 2008 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Infiniti Q45 weights approximately 142 kg more than 2008 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2005 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, 2005 Infiniti Q45 (453 Nm) has 73 more torque (in Nm) than 2008 Audi A6. (380 Nm). This means 2005 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A6. 2005 Infiniti Q45 has automatic transmission and 2008 Audi A6 has manual transmission. 2008 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Infiniti Q45 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A6 | 2005 Infiniti Q45 | |
| Make | Audi | Infiniti |
| Model | A6 | Q45 |
| Year Released | 2008 | 2005 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2696 cc | 4490 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 340 HP |
| Torque | 380 Nm | 453 Nm |
| Engine Bore Size | 83 mm | 93 mm |
| Engine Stroke Size | 83.1 mm | 83 mm |
| Engine Compression Ratio | 17.0:1 | 10.5:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1695 kg | 1837 kg |
| Vehicle Length | 4940 mm | 5080 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1500 mm |
| Wheelbase Size | 2850 mm | 2880 mm |
| Fuel Consumption Overall | 8.3 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 80 L | 81 L |
