2008 BMW 645 vs. 2013 Subaru Impreza
To start off, 2013 Subaru Impreza is newer by 5 year(s). Which means there will be less support and parts availability for 2008 BMW 645. In addition, the cost of maintenance, including insurance, on 2008 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2008 BMW 645 is equipped with a bigger engine. In terms of performance, 2008 BMW 645 (328 HP @ 6100 RPM) has 67 more horse power than 2013 Subaru Impreza. (261 HP @ 6000 RPM). In normal driving conditions, 2008 BMW 645 should accelerate faster than 2013 Subaru Impreza. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 645 weights approximately 235 kg more than 2013 Subaru Impreza. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 Subaru Impreza is all wheel drive (AWD), it will have significant more traction and grip than 2008 BMW 645. In wet, icy, snow, or gravel driving conditions, 2013 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, 2008 BMW 645 (450 Nm @ 3600 RPM) has 119 more torque (in Nm) than 2013 Subaru Impreza. (331 Nm @ 4400 RPM). This means 2008 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2013 Subaru Impreza.
Compare all specifications:
| 2008 BMW 645 | 2013 Subaru Impreza | |
| Make | BMW | Subaru |
| Model | 645 | Impreza |
| Year Released | 2008 | 2013 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2500 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 261 HP |
| Engine RPM | 6100 RPM | 6000 RPM |
| Torque | 450 Nm | 331 Nm |
| Torque RPM | 3600 RPM | 4400 RPM |
| Engine Bore Size | 92.1 mm | 99 mm |
| Engine Stroke Size | 82.7 mm | 79 mm |
| Fuel Type | Gasoline - Premium | Gasoline / Electric Hybrid |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | Single Speed |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1690 kg | 1455 kg |
| Vehicle Length | 4830 mm | 4415 mm |
| Vehicle Width | 1860 mm | 1795 mm |
| Vehicle Height | 1380 mm | 1475 mm |
| Wheelbase Size | 2790 mm | 2625 mm |
