2008 BMW 550 vs. 2003 BMW 325
To start off, 2008 BMW 550 is newer by 5 year(s). Which means there will be less support and parts availability for 2003 BMW 325. In addition, the cost of maintenance, including insurance, on 2003 BMW 325 would be higher. At 4,799 cc, 2008 BMW 550 is equipped with a bigger engine. In terms of performance, 2008 BMW 550 (360 HP @ 6300 RPM) has 168 more horse power than 2003 BMW 325. (192 HP @ 6000 RPM). In normal driving conditions, 2008 BMW 550 should accelerate faster than 2003 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 550 weights approximately 180 kg more than 2003 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, 2008 BMW 550 (490 Nm @ 3400 RPM) has 245 more torque (in Nm) than 2003 BMW 325. (245 Nm @ 3500 RPM). This means 2008 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 325. 2008 BMW 550 has automatic transmission and 2003 BMW 325 has manual transmission. 2003 BMW 325 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW 550 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW 550 | 2003 BMW 325 | |
| Make | BMW | BMW |
| Model | 550 | 325 |
| Year Released | 2008 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 2494 cc |
| Horse Power | 360 HP | 192 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 490 Nm | 245 Nm |
| Torque RPM | 3400 RPM | 3500 RPM |
| Engine Bore Size | 93 mm | 84.1 mm |
| Engine Stroke Size | 88.3 mm | 75 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Acceleration 0-100mph | 5.9 seconds | 7.1 seconds |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1660 kg | 1480 kg |
| Vehicle Length | 4870 mm | 4270 mm |
| Vehicle Height | 1470 mm | 1410 mm |
| Wheelbase Size | 2890 mm | 2730 mm |
| Fuel Consumption Overall | 11.1 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
