2006 BMW 523 vs. 2003 Subaru Impreza
To start off, 2006 BMW 523 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 2,497 cc (6 cylinders), 2006 BMW 523 is equipped with a bigger engine. In terms of performance, 2003 Subaru Impreza (276 HP @ 6400 RPM) has 101 more horse power than 2006 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 2003 Subaru Impreza should accelerate faster than 2006 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 523 weights approximately 342 kg more than 2003 Subaru Impreza.
Because 2003 Subaru Impreza is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 523. In wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Subaru Impreza (384 Nm @ 4400 RPM) has 154 more torque (in Nm) than 2006 BMW 523. (230 Nm @ 3500 RPM). This means 2003 Subaru Impreza will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 523.
Compare all specifications:
| 2006 BMW 523 | 2003 Subaru Impreza | |
| Make | BMW | Subaru |
| Model | 523 | Impreza |
| Year Released | 2006 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1992 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 276 HP |
| Engine RPM | 5800 RPM | 6400 RPM |
| Torque | 230 Nm | 384 Nm |
| Torque RPM | 3500 RPM | 4400 RPM |
| Engine Bore Size | 78.8 mm | 92 mm |
| Engine Stroke Size | 82 mm | 75 mm |
| Engine Compression Ratio | 11.0:1 | 8.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1632 kg | 1290 kg |
| Vehicle Length | 4850 mm | 4420 mm |
| Vehicle Width | 1850 mm | 1740 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2890 mm | 2680 mm |
| Fuel Tank Capacity | 70 L | 50 L |
