2003 BMW 320 vs. 2009 BMW M6
To start off, 2009 BMW M6 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 BMW 320. In addition, the cost of maintenance, including insurance, on 2003 BMW 320 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 359 more horse power than 2003 BMW 320. (141 HP @ 4000 RPM) In normal driving conditions, 2009 BMW M6 should accelerate faster than 2003 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 320 weights approximately 210 kg more than 2009 BMW M6.
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, 2009 BMW M6 (519 Nm @ 6100 RPM) has 189 more torque (in Nm) than 2003 BMW 320. (330 Nm @ 2000 RPM). This means 2009 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 320.
Compare all specifications:
| 2003 BMW 320 | 2009 BMW M6 | |
| Make | BMW | BMW |
| Model | 320 | M6 |
| Year Released | 2003 | 2009 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 4999 cc |
| Engine Cylinders | 4 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 141 HP | 500 HP |
| Engine RPM | 4000 RPM | 7750 RPM |
| Torque | 330 Nm | 519 Nm |
| Torque RPM | 2000 RPM | 6100 RPM |
| Engine Compression Ratio | 17.0:1 | 12.0:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1490 kg | 1280 kg |
| Vehicle Length | 4490 mm | 4880 mm |
| Vehicle Width | 1760 mm | 1860 mm |
| Vehicle Height | 1380 mm | 1380 mm |
| Wheelbase Size | 2730 mm | 2790 mm |
| Fuel Consumption | 4.5 L/100km | 14 L/100km |
| Fuel Consumption City | 7.9 L/100km | 21.5 L/100km |
| Fuel Consumption Overall | 5.7 L/100km | 18.2 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
