2009 BMW M6 vs. 2004 BMW 325
To start off, 2009 BMW M6 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 BMW 325. In addition, the cost of maintenance, including insurance, on 2004 BMW 325 would be higher. At 4,999 cc (10 cylinders), 2009 BMW M6 is equipped with a bigger engine. In terms of performance, 2009 BMW M6 (500 HP @ 7750 RPM) has 316 more horse power than 2004 BMW 325. (184 HP @ 7250 RPM). In normal driving conditions, 2009 BMW M6 should accelerate faster than 2004 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 325 weights approximately 70 kg more than 2009 BMW M6.
Let's talk about torque, 2009 BMW M6 (519 Nm) has 282 more torque (in Nm) than 2004 BMW 325. (237 Nm). This means 2009 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 325.
Compare all specifications:
| 2009 BMW M6 | 2004 BMW 325 | |
| Make | BMW | BMW |
| Model | M6 | 325 |
| Year Released | 2009 | 2004 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4999 cc | 2490 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 184 HP |
| Engine RPM | 7750 RPM | 7250 RPM |
| Torque | 519 Nm | 237 Nm |
| Engine Compression Ratio | 12.0:1 | 10.5:1 |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1525 kg | 1595 kg |
| Vehicle Length | 4880 mm | 4480 mm |
| Vehicle Width | 1860 mm | 1750 mm |
| Vehicle Height | 1380 mm | 1420 mm |
| Wheelbase Size | 2790 mm | 2730 mm |
| Fuel Consumption Highway | 13.8 L/100km | 8.1 L/100km |
| Fuel Consumption City | 21.4 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 18.1 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
