2003 BMW M3 vs. 2004 BMW 520
To start off, 2004 BMW 520 is newer by 1 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 3,168 cc (6 cylinders), 2003 BMW M3 is equipped with a bigger engine. In terms of performance, 2003 BMW M3 (342 HP @ 7900 RPM) has 174 more horse power than 2004 BMW 520. (168 HP @ 6000 RPM). In normal driving conditions, 2003 BMW M3 should accelerate faster than 2004 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 520 weights approximately 285 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 (350 Nm @ 4900 RPM) has 140 more torque (in Nm) than 2004 BMW 520. (210 Nm @ 3500 RPM). This means 2003 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 520.
Compare all specifications:
2003 BMW M3 | 2004 BMW 520 | |
Make | BMW | BMW |
Model | M3 | 520 |
Year Released | 2003 | 2004 |
Body Type | Coupe | Station Wagon |
Engine Position | Front | Front |
Engine Size | 3168 cc | 2171 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 342 HP | 168 HP |
Engine RPM | 7900 RPM | 6000 RPM |
Torque | 350 Nm | 210 Nm |
Torque RPM | 4900 RPM | 3500 RPM |
Engine Bore Size | 87 mm | 80.1 mm |
Engine Stroke Size | 91 mm | 72 mm |
Engine Compression Ratio | 11.5:1 | 10.0:1 |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1385 kg | 1670 kg |
Vehicle Length | 4500 mm | 4810 mm |
Vehicle Width | 1790 mm | 1810 mm |
Vehicle Height | 1370 mm | 1450 mm |
Wheelbase Size | 2730 mm | 2840 mm |
Fuel Tank Capacity | 63 L | 70 L |