2005 BMW 325 vs. 2003 BMW M3
To start off, 2005 BMW 325 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 BMW M3. In addition, the cost of maintenance, including insurance, on 2003 BMW M3 would be higher. At 2,993 cc (6 cylinders), 2003 BMW M3 is equipped with a bigger engine. In terms of performance, 2003 BMW M3 (240 HP @ 6000 RPM) has 51 more horse power than 2005 BMW 325. (189 HP @ 7400 RPM) In normal driving conditions, 2003 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 178 kg more than 2003 BMW M3.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2003 BMW M3 (300 Nm) has 63 more torque (in Nm) than 2005 BMW 325. (237 Nm). This means 2003 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 | 2003 BMW M3 | |
| Make | BMW | BMW |
| Model | 325 | M3 |
| Year Released | 2005 | 2003 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2993 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 189 HP | 240 HP |
| Engine RPM | 7400 RPM | 6000 RPM |
| Torque | 237 Nm | 300 Nm |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 75 mm | 85.8 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1620 kg | 1442 kg |
| Vehicle Length | 4490 mm | 4440 mm |
| Vehicle Width | 1760 mm | 1720 mm |
| Vehicle Height | 1380 mm | 1340 mm |
| Wheelbase Size | 2730 mm | 2730 mm |
| Fuel Tank Capacity | 63 L | 65 L |
