2007 BMW 325 vs. 2007 BMW 550
To start off, both 2007 BMW 325 and 2007 BMW 550 were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,799 cc (8 cylinders), 2007 BMW 550 is equipped with a bigger engine. In terms of performance, 2007 BMW 550 (360 HP @ 6300 RPM) has 145 more horse power than 2007 BMW 325. (215 HP @ 5600 RPM) In normal driving conditions, 2007 BMW 550 should accelerate faster than 2007 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 550 weights approximately 305 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, 2007 BMW 550 (489 Nm @ 3400 RPM) has 239 more torque (in Nm) than 2007 BMW 325. (250 Nm @ 2750 RPM). This means 2007 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 325.
Compare all specifications:
| 2007 BMW 325 | 2007 BMW 550 | |
| Make | BMW | BMW |
| Model | 325 | 550 |
| Year Released | 2007 | 2007 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 4799 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 | 5600 RPM | 6300 RPM |
| Torque | 250 Nm | 489 Nm |
| Torque RPM | 2750 RPM | 3400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 247 km/hour | 241 km/hour |
| Acceleration 0-100mph | 6.9 seconds | 5.5 seconds |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1420 kg | 1725 kg |
| Vehicle Length | 4590 mm | 4860 mm |
| Vehicle Width | 1400 mm | 1850 mm |
| Vehicle Height | 1790 mm | 1470 mm |
| Wheelbase Size | 2770 mm | 2890 mm |
| Fuel Consumption Overall | 11.9 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
