2004 BMW M6 vs. 2003 BMW 318
To start off, 2004 BMW M6 is newer by 1 year(s). Which means there will be less support and parts availability for 2003 BMW 318. In addition, the cost of maintenance, including insurance, on 2003 BMW 318 would be higher. At 4,998 cc (10 cylinders), 2004 BMW M6 is equipped with a bigger engine. In terms of performance, 2004 BMW M6 (500 HP @ 7750 RPM) has 387 more horse power than 2003 BMW 318. (113 HP @ 5750 RPM). In normal driving conditions, 2004 BMW M6 should accelerate faster than 2003 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW M6 weights approximately 395 kg more than 2003 BMW 318. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2004 BMW M6 (520 Nm @ 6100 RPM) has 345 more torque (in Nm) than 2003 BMW 318. (175 Nm @ 3750 RPM). This means 2004 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 318.
Compare all specifications:
| 2004 BMW M6 | 2003 BMW 318 | |
| Make | BMW | BMW |
| Model | M6 | 318 |
| Year Released | 2004 | 2003 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4998 cc | 1796 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 113 HP |
| Engine RPM | 7750 RPM | 5750 RPM |
| Torque | 520 Nm | 175 Nm |
| Torque RPM | 6100 RPM | 3750 RPM |
| Engine Bore Size | 92 mm | 84 mm |
| Engine Stroke Size | 75.2 mm | 81 mm |
| Engine Compression Ratio | 12.0:1 | 11.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1785 kg | 1390 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 Tank Capacity | 70 L | 63 L |
