2004 BMW 645 vs. 2007 Subaru Impreza
To start off, 2007 Subaru Impreza is newer by 3 year(s). Which means there will be less support and parts availability for 2004 BMW 645. In addition, the cost of maintenance, including insurance, on 2004 BMW 645 would be higher. At 4,392 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. In terms of performance, 2004 BMW 645 (322 HP @ 7400 RPM) has 148 more horse power than 2007 Subaru Impreza. (174 HP @ 6000 RPM). In normal driving conditions, 2004 BMW 645 should accelerate faster than 2007 Subaru Impreza. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 645 weights approximately 82 kg more than 2007 Subaru Impreza. 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 2004 BMW 645. 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, 2004 BMW 645 (447 Nm) has 222 more torque (in Nm) than 2007 Subaru Impreza. (225 Nm). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2007 Subaru Impreza.
Compare all specifications:
| 2004 BMW 645 | 2007 Subaru Impreza | |
| Make | BMW | Subaru |
| Model | 645 | Impreza |
| Year Released | 2004 | 2007 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4392 cc | 2457 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 322 HP | 174 HP |
| Engine RPM | 7400 RPM | 6000 RPM |
| Torque | 447 Nm | 225 Nm |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1715 kg | 1633 kg |
| Vehicle Length | 4840 mm | 4470 mm |
| Vehicle Width | 1860 mm | 1750 mm |
| Vehicle Height | 1380 mm | 1450 mm |
| Wheelbase Size | 2790 mm | 2530 mm |
| Fuel Consumption Highway | 9.4 L/100km | 8.1 L/100km |
| Fuel Consumption City | 13.8 L/100km | 10.7 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
