2005 Mazda 6 vs. 2011 BMW 730
To start off, 2011 BMW 730 is newer by 6 year(s). Which means there will be less support and parts availability for 2005 Mazda 6. In addition, the cost of maintenance, including insurance, on 2005 Mazda 6 would be higher. At 2,993 cc (6 cylinders), 2011 BMW 730 is equipped with a bigger engine. In terms of performance, 2011 BMW 730 (244 HP @ 4000 RPM) has 84 more horse power than 2005 Mazda 6. (160 HP @ 4000 RPM) In normal driving conditions, 2011 BMW 730 should accelerate faster than 2005 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW 730 weights approximately 533 kg more than 2005 Mazda 6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 BMW 730 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 2011 BMW 730. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2011 BMW 730 (540 Nm) has 330 more torque (in Nm) than 2005 Mazda 6. (210 Nm). This means 2011 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mazda 6.
Compare all specifications:
| 2005 Mazda 6 | 2011 BMW 730 | |
| Make | Mazda | BMW |
| Model | 6 | 730 |
| Year Released | 2005 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2261 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 160 HP | 244 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 210 Nm | 540 Nm |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1407 kg | 1940 kg |
| Vehicle Length | 4750 mm | 5072 mm |
| Vehicle Width | 1790 mm | 1902 mm |
| Vehicle Height | 1450 mm | 1479 mm |
| Wheelbase Size | 2680 mm | 3070 mm |
| Fuel Consumption Highway | 7.6 L/100km | 5.5 L/100km |
| Fuel Consumption City | 10.2 L/100km | 9 L/100km |
| Fuel Consumption Overall | 9.1 L/100km | 6.8 L/100km |
| Fuel Tank Capacity | 68 L | 82 L |
