2009 Audi A4 vs. 2005 Infiniti Q45
To start off, 2009 Audi A4 is newer by 4 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 182 more horse power than 2009 Audi A4. (158 HP) In normal driving conditions, 2005 Infiniti Q45 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Infiniti Q45 weights approximately 907 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 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 2005 Infiniti Q45. However, in wet, icy, snow, or gravel driving conditions, 2009 Audi A4, 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, 2005 Infiniti Q45 (453 Nm) has 203 more torque (in Nm) than 2009 Audi A4. (250 Nm). This means 2005 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
2009 Audi A4 | 2005 Infiniti Q45 | |
Make | Audi | Infiniti |
Model | A4 | Q45 |
Year Released | 2009 | 2005 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 1798 cc | 4490 cc |
Engine Cylinders | 4 cylinders | 8 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 158 HP | 340 HP |
Torque | 250 Nm | 453 Nm |
Engine Bore Size | 82.5 mm | 93 mm |
Engine Stroke Size | 84.1 mm | 83 mm |
Engine Compression Ratio | 9.6:1 | 10.5:1 |
Drive Type | Front | Rear |
Transmission Type | Automatic | Automatic |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 930 kg | 1837 kg |
Vehicle Length | 4710 mm | 5080 mm |
Vehicle Width | 2010 mm | 1850 mm |
Vehicle Height | 1430 mm | 1500 mm |
Wheelbase Size | 2810 mm | 2880 mm |
Fuel Consumption Overall | 7.4 L/100km | 11.8 L/100km |
Fuel Tank Capacity | 65 L | 81 L |