2005 Mazda 6 vs. 2009 Mercedes-Benz B
To start off, 2009 Mercedes-Benz B is newer by 4 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 2,966 cc (6 cylinders), 2005 Mazda 6 is equipped with a bigger engine. In terms of performance, 2005 Mazda 6 (220 HP @ 4000 RPM) has 82 more horse power than 2009 Mercedes-Benz B. (138 HP @ 4200 RPM). In normal driving conditions, 2005 Mazda 6 should accelerate faster than 2009 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mazda 6 weights approximately 135 kg more than 2009 Mercedes-Benz B. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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 Mercedes-Benz B (300 Nm) has 40 more torque (in Nm) than 2005 Mazda 6. (260 Nm). This means 2009 Mercedes-Benz B will have an easier job in driving up hills or pulling heavy equipment than 2005 Mazda 6.
Compare all specifications:
| 2005 Mazda 6 | 2009 Mercedes-Benz B | |
| Make | Mazda | Mercedes-Benz |
| Model | 6 | B |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2966 cc | 1989 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 220 HP | 138 HP |
| Engine RPM | 4000 RPM | 4200 RPM |
| Torque | 260 Nm | 300 Nm |
| Engine Bore Size | 89 mm | 83 mm |
| Engine Stroke Size | 80 mm | 92 mm |
| Engine Compression Ratio | 10.0:1 | 18.0:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1570 kg | 1435 kg |
| Vehicle Length | 4780 mm | 4280 mm |
| Vehicle Width | 1790 mm | 1610 mm |
| Vehicle Height | 1460 mm | 1780 mm |
| Wheelbase Size | 2620 mm | 2780 mm |
| Fuel Consumption Overall | 10.7 L/100km | 5.6 L/100km |
| Fuel Tank Capacity | 68 L | 54 L |
