2009 BMW X6 vs. 2007 BMW 325
To start off, 2009 BMW X6 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 325. In addition, the cost of maintenance, including insurance, on 2007 BMW 325 would be higher. At 4,395 cc (8 cylinders), 2009 BMW X6 is equipped with a bigger engine. In terms of performance, 2009 BMW X6 (401 HP @ 5500 RPM) has 186 more horse power than 2007 BMW 325. (215 HP @ 6500 RPM). In normal driving conditions, 2009 BMW X6 should accelerate faster than 2007 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X6 weights approximately 745 kg more than 2007 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2009 BMW X6 (610 Nm @ 1750 RPM) has 359 more torque (in Nm) than 2007 BMW 325. (251 Nm @ 2750 RPM). This means 2009 BMW X6 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 325.
Compare all specifications:
| 2009 BMW X6 | 2007 BMW 325 | |
| Make | BMW | BMW |
| Model | X6 | 325 |
| Year Released | 2009 | 2007 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4395 cc | 2497 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 401 HP | 215 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 610 Nm | 251 Nm |
| Torque RPM | 1750 RPM | 2750 RPM |
| Engine Bore Size | 89 mm | 78.8 mm |
| Engine Stroke Size | 88.3 mm | 82 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 245 km/hour |
| Acceleration 0-100mph | 5.4 seconds | 7.7 seconds |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2265 kg | 1520 kg |
| Vehicle Length | 4880 mm | 4530 mm |
| Vehicle Width | 1990 mm | 1430 mm |
| Vehicle Height | 1700 mm | 1820 mm |
| Wheelbase Size | 2940 mm | 2770 mm |
| Fuel Consumption Overall | 12.5 L/100km | 9 L/100km |
| Fuel Tank Capacity | 85 L | 60 L |
