2005 BMW 645 vs. 2009 Subaru Outback
To start off, 2009 Subaru Outback is newer by 4 year(s). Which means there will be less support and parts availability for 2005 BMW 645. In addition, the cost of maintenance, including insurance, on 2005 BMW 645 would be higher. At 4,390 cc (8 cylinders), 2005 BMW 645 is equipped with a bigger engine. In terms of performance, 2005 BMW 645 (338 HP @ 6100 RPM) has 95 more horse power than 2009 Subaru Outback. (243 HP @ 6000 RPM). In normal driving conditions, 2005 BMW 645 should accelerate faster than 2009 Subaru Outback.
Because 2009 Subaru Outback is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 645. In wet, icy, snow, or gravel driving conditions, 2009 Subaru Outback 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, 2005 BMW 645 (439 Nm @ 3600 RPM) has 112 more torque (in Nm) than 2009 Subaru Outback. (327 Nm @ 3600 RPM). This means 2005 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2009 Subaru Outback.
Compare all specifications:
| 2005 BMW 645 | 2009 Subaru Outback | |
| Make | BMW | Subaru |
| Model | 645 | Outback |
| Year Released | 2005 | 2009 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4390 cc | 2457 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 338 HP | 243 HP |
| Engine RPM | 6100 RPM | 6000 RPM |
| Torque | 439 Nm | 327 Nm |
| Torque RPM | 3600 RPM | 3600 RPM |
| Engine Bore Size | 92 mm | 99.5 mm |
| Engine Stroke Size | 83 mm | 79 mm |
| Engine Compression Ratio | 10.5:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 4830 mm | 4810 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1380 mm | 1610 mm |
| Wheelbase Size | 2790 mm | 2680 mm |
| Fuel Consumption | 9.4 L/100km | 9.8 L/100km |
| Fuel Consumption City | 13.8 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 70 L | 64 L |
