2006 Subaru Outback vs. 2003 Subaru Impreza
To start off, 2006 Subaru Outback is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Subaru Impreza. In addition, the cost of maintenance, including insurance, on 2003 Subaru Impreza would be higher. At 2,458 cc (4 cylinders), 2006 Subaru Outback is equipped with a bigger engine. In terms of performance, 2003 Subaru Impreza (276 HP @ 6400 RPM) has 26 more horse power than 2006 Subaru Outback. (250 HP @ 6000 RPM) In normal driving conditions, 2003 Subaru Impreza should accelerate faster than 2006 Subaru Outback. With that said, vehicle weight also plays an important factor in acceleration. 2006 Subaru Outback weights approximately 259 kg more than 2003 Subaru Impreza.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 Subaru Impreza (384 Nm @ 4400 RPM) has 45 more torque (in Nm) than 2006 Subaru Outback. (339 Nm @ 3600 RPM). This means 2003 Subaru Impreza will have an easier job in driving up hills or pulling heavy equipment than 2006 Subaru Outback.
Compare all specifications:
| 2006 Subaru Outback | 2003 Subaru Impreza | |
| Make | Subaru | Subaru |
| Model | Outback | Impreza |
| Year Released | 2006 | 2003 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2458 cc | 1992 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | boxer | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 250 HP | 276 HP |
| Engine RPM | 6000 RPM | 6400 RPM |
| Torque | 339 Nm | 384 Nm |
| Torque RPM | 3600 RPM | 4400 RPM |
| Engine Bore Size | 89 mm | 92 mm |
| Engine Stroke Size | 74.9 mm | 75 mm |
| Engine Compression Ratio | 10.0:1 | 8.0:1 |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1549 kg | 1290 kg |
| Vehicle Length | 4800 mm | 4420 mm |
| Vehicle Width | 1780 mm | 1740 mm |
| Vehicle Height | 1610 mm | 1430 mm |
| Wheelbase Size | 2680 mm | 2680 mm |
| Fuel Tank Capacity | 64 L | 50 L |
