2003 Infiniti Q45 vs. 2005 Subaru Legacy
To start off, 2005 Subaru Legacy 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 216 more horse power than 2005 Subaru Legacy. (124 HP @ 5600 RPM). In normal driving conditions, 2003 Infiniti Q45 should accelerate faster than 2005 Subaru Legacy. With that said, vehicle weight also plays an important factor in acceleration. 2003 Infiniti Q45 weights approximately 489 kg more than 2005 Subaru Legacy. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Subaru Legacy 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 Legacy 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 275 more torque (in Nm) than 2005 Subaru Legacy. (176 Nm @ 4000 RPM). This means 2003 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2005 Subaru Legacy. 2003 Infiniti Q45 has automatic transmission and 2005 Subaru Legacy has manual transmission. 2005 Subaru Legacy will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Infiniti Q45 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Infiniti Q45 | 2005 Subaru Legacy | |
| Make | Infiniti | Subaru |
| Model | Q45 | Legacy |
| Year Released | 2003 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4494 cc | 1994 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 340 HP | 124 HP |
| Engine RPM | 6400 RPM | 5600 RPM |
| Torque | 451 Nm | 176 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1804 kg | 1315 kg |
| Vehicle Length | 5080 mm | 4670 mm |
| Vehicle Width | 1850 mm | 1700 mm |
| Vehicle Height | 1500 mm | 1500 mm |
| Wheelbase Size | 2880 mm | 2680 mm |
| Fuel Tank Capacity | 81 L | 64 L |
