2003 Infiniti Q45 vs. 2005 Subaru Outback Sport
To start off, 2005 Subaru Outback Sport is newer by 2 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 175 more horse power than 2005 Subaru Outback Sport. (165 HP @ 5600 RPM). In normal driving conditions, 2003 Infiniti Q45 should accelerate faster than 2005 Subaru Outback Sport. With that said, vehicle weight also plays an important factor in acceleration. 2003 Infiniti Q45 weights approximately 374 kg more than 2005 Subaru Outback Sport. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Subaru Outback Sport 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, 2005 Subaru Outback Sport 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) has 226 more torque (in Nm) than 2005 Subaru Outback Sport. (225 Nm). This means 2003 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2005 Subaru Outback Sport.
Compare all specifications:
| 2003 Infiniti Q45 | 2005 Subaru Outback Sport | |
| Make | Infiniti | Subaru |
| Model | Q45 | Outback Sport |
| Year Released | 2003 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4494 cc | 2458 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 340 HP | 165 HP |
| Engine RPM | 6400 RPM | 5600 RPM |
| Torque | 451 Nm | 225 Nm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1804 kg | 1430 kg |
| Vehicle Length | 5080 mm | 4420 mm |
| Vehicle Width | 1850 mm | 1720 mm |
| Vehicle Height | 1500 mm | 1550 mm |
| Wheelbase Size | 2880 mm | 2660 mm |
| Fuel Tank Capacity | 81 L | 60 L |
