2006 BMW 630 vs. 2004 Mazda 6
To start off, 2006 BMW 630 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Mazda 6. In addition, the cost of maintenance, including insurance, on 2004 Mazda 6 would be higher. At 2,996 cc (6 cylinders), 2006 BMW 630 is equipped with a bigger engine. In terms of performance, 2006 BMW 630 (254 HP @ 6600 RPM) has 135 more horse power than 2004 Mazda 6. (119 HP @ 5700 RPM). In normal driving conditions, 2006 BMW 630 should accelerate faster than 2004 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 630 weights approximately 146 kg more than 2004 Mazda 6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW 630 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 BMW 630. However, in wet, icy, snow, or gravel driving conditions, 2004 Mazda 6, being front wheel drive (FWD), will offer much better control with better grip. 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, 2006 BMW 630 (300 Nm @ 2500 RPM) has 132 more torque (in Nm) than 2004 Mazda 6. (168 Nm @ 4500 RPM). This means 2006 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 2004 Mazda 6.
Compare all specifications:
| 2006 BMW 630 | 2004 Mazda 6 | |
| Make | BMW | Mazda |
| Model | 630 | 6 |
| Year Released | 2006 | 2004 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 1840 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 254 HP | 119 HP |
| Engine RPM | 6600 RPM | 5700 RPM |
| Torque | 300 Nm | 168 Nm |
| Torque RPM | 2500 RPM | 4500 RPM |
| Engine Bore Size | 85 mm | 83 mm |
| Engine Stroke Size | 88 mm | 83.1 mm |
| Engine Compression Ratio | 10.7:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1566 kg | 1420 kg |
| Vehicle Length | 4830 mm | 4680 mm |
| Vehicle Width | 1860 mm | 1790 mm |
| Vehicle Height | 1380 mm | 1490 mm |
| Wheelbase Size | 2790 mm | 2680 mm |
| Fuel Tank Capacity | 70 L | 64 L |
