2003 Mazda 6 vs. 2007 Subaru Impreza
To start off, 2007 Subaru Impreza is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Mazda 6. In addition, the cost of maintenance, including insurance, on 2003 Mazda 6 would be higher. At 2,455 cc (4 cylinders), 2007 Subaru Impreza is equipped with a bigger engine. In terms of performance, 2007 Subaru Impreza (316 HP @ 6000 RPM) has 197 more horse power than 2003 Mazda 6. (119 HP @ 5700 RPM) In normal driving conditions, 2007 Subaru Impreza should accelerate faster than 2003 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2007 Subaru Impreza weights approximately 75 kg more than 2003 Mazda 6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Subaru Impreza is four wheel drive (4WD), it will have significant more traction and grip than 2003 Mazda 6. In wet, icy, snow, or gravel driving conditions, 2007 Subaru Impreza 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, 2007 Subaru Impreza (450 Nm @ 3700 RPM) has 282 more torque (in Nm) than 2003 Mazda 6. (168 Nm @ 4500 RPM). This means 2007 Subaru Impreza will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda 6.
Compare all specifications:
| 2003 Mazda 6 | 2007 Subaru Impreza | |
| Make | Mazda | Subaru |
| Model | 6 | Impreza |
| Year Released | 2003 | 2007 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1840 cc | 2455 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 119 HP | 316 HP |
| Engine RPM | 5700 RPM | 6000 RPM |
| Torque | 168 Nm | 450 Nm |
| Torque RPM | 4500 RPM | 3700 RPM |
| Engine Compression Ratio | 11.0:1 | 8.2:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1420 kg | 1495 kg |
| Vehicle Length | 4680 mm | 4470 mm |
| Vehicle Width | 1790 mm | 1750 mm |
| Vehicle Height | 1440 mm | 1450 mm |
| Wheelbase Size | 2680 mm | 2550 mm |
| Fuel Tank Capacity | 64 L | 60 L |
