2005 BMW 325 vs. 2007 BMW 750
To start off, 2007 BMW 750 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW 325. In addition, the cost of maintenance, including insurance, on 2005 BMW 325 would be higher. At 4,797 cc (8 cylinders), 2007 BMW 750 is equipped with a bigger engine. In terms of performance, 2007 BMW 750 (360 HP @ 6300 RPM) has 145 more horse power than 2005 BMW 325. (215 HP @ 6500 RPM) In normal driving conditions, 2007 BMW 750 should accelerate faster than 2005 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 750 weights approximately 341 kg more than 2005 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, 2007 BMW 750 (488 Nm @ 3400 RPM) has 238 more torque (in Nm) than 2005 BMW 325. (250 Nm @ 2750 RPM). This means 2007 BMW 750 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 325.
Compare all specifications:
| 2005 BMW 325 | 2007 BMW 750 | |
| Make | BMW | BMW |
| Model | 325 | 750 |
| Year Released | 2005 | 2007 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 4797 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 360 HP |
| Engine RPM | 6500 RPM | 6300 RPM |
| Torque | 250 Nm | 488 Nm |
| Torque RPM | 2750 RPM | 3400 RPM |
| Engine Bore Size | 82 mm | 93 mm |
| Engine Stroke Size | 78.8 mm | 88.3 mm |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1494 kg | 1835 kg |
| Vehicle Length | 4480 mm | 5050 mm |
| Vehicle Width | 1820 mm | 1910 mm |
| Vehicle Height | 1440 mm | 1500 mm |
| Wheelbase Size | 2730 mm | 3000 mm |
| Fuel Tank Capacity | 63 L | 88 L |
