2006 BMW 645 vs. 2000 Subaru Impreza
To start off, 2006 BMW 645 is newer by 6 year(s). Which means there will be less support and parts availability for 2000 Subaru Impreza. In addition, the cost of maintenance, including insurance, on 2000 Subaru Impreza would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 33 more horse power than 2000 Subaru Impreza. (295 HP @ 6500 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 2000 Subaru Impreza. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 545 kg more than 2000 Subaru Impreza. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2000 Subaru Impreza is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 645. In wet, icy, snow, or gravel driving conditions, 2000 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 97 more torque (in Nm) than 2000 Subaru Impreza. (353 Nm @ 4000 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2000 Subaru Impreza.
Compare all specifications:
| 2006 BMW 645 | 2000 Subaru Impreza | |
| Make | BMW | Subaru |
| Model | 645 | Impreza |
| Year Released | 2006 | 2000 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1994 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 295 HP |
| Engine RPM | 6100 RPM | 6500 RPM |
| Torque | 450 Nm | 353 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Bore Size | 92 mm | 92 mm |
| Engine Stroke Size | 82.7 mm | 75 mm |
| Engine Compression Ratio | 10.0:1 | 8.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1815 kg | 1270 kg |
| Vehicle Length | 4830 mm | 4380 mm |
| Vehicle Width | 1860 mm | 1700 mm |
| Vehicle Height | 1380 mm | 1410 mm |
| Wheelbase Size | 2790 mm | 2530 mm |
| Fuel Tank Capacity | 70 L | 60 L |
