2005 BMW 325 vs. 2009 BMW M3
To start off, 2009 BMW M3 is newer by 4 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 3,999 cc (8 cylinders), 2009 BMW M3 is equipped with a bigger engine. In terms of performance, 2009 BMW M3 (414 HP @ 8300 RPM) has 230 more horse power than 2005 BMW 325. (184 HP @ 7400 RPM) In normal driving conditions, 2009 BMW M3 should accelerate faster than 2005 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 325 weights approximately 140 kg more than 2009 BMW M3.
Let's talk about torque, 2009 BMW M3 (400 Nm) has 163 more torque (in Nm) than 2005 BMW 325. (237 Nm). This means 2009 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 325.
Compare all specifications:
| 2005 BMW 325 | 2009 BMW M3 | |
| Make | BMW | BMW |
| Model | 325 | M3 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 3999 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 184 HP | 414 HP |
| Engine RPM | 7400 RPM | 8300 RPM |
| Torque | 237 Nm | 400 Nm |
| Engine Bore Size | 84 mm | 92 mm |
| Engine Stroke Size | 75 mm | 75.2 mm |
| Engine Compression Ratio | 10.5:1 | 12.0:1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1460 kg | 1320 kg |
| Vehicle Length | 4480 mm | 4620 mm |
| Vehicle Width | 1750 mm | 1400 mm |
| Vehicle Height | 1420 mm | 1810 mm |
| Wheelbase Size | 2730 mm | 2770 mm |
| Fuel Consumption | 8.1 L/100km | 11.8 L/100km |
| Fuel Consumption City | 11.8 L/100km | 18.1 L/100km |
| Fuel Consumption Overall | 9.8 L/100km | 12.9 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
