2003 Mazda 6 vs. 2007 Mercedes-Benz B
To start off, 2007 Mercedes-Benz B is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Mazda 6. In addition, the cost of maintenance, including insurance, on 2003 Mazda 6 would be higher. At 1,999 cc (4 cylinders), 2003 Mazda 6 is equipped with a bigger engine. In terms of performance, both vehicles can yield 138 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mazda 6 weights approximately 105 kg more than 2007 Mercedes-Benz B.
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, 2003 Mazda 6 (310 Nm @ 2000 RPM) has 10 more torque (in Nm) than 2007 Mercedes-Benz B. (300 Nm @ 1600 RPM). This means 2003 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz B. 2007 Mercedes-Benz B has automatic transmission and 2003 Mazda 6 has manual transmission. 2003 Mazda 6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercedes-Benz B will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Mazda 6 | 2007 Mercedes-Benz B | |
| Make | Mazda | Mercedes-Benz |
| Model | 6 | B |
| Year Released | 2003 | 2007 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1999 cc | 1991 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 138 HP |
| Engine RPM | 3500 RPM | 4200 RPM |
| Torque | 310 Nm | 300 Nm |
| Torque RPM | 2000 RPM | 1600 RPM |
| Engine Compression Ratio | 18.0:1 | 18.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 200 km/hour | 195 km/hour |
| Acceleration 0-100mph | 10.4 seconds | 7.6 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1540 kg | 1435 kg |
| Vehicle Length | 4710 mm | 4280 mm |
| Vehicle Width | 1790 mm | 1610 mm |
| Vehicle Height | 1490 mm | 1780 mm |
| Wheelbase Size | 2680 mm | 2780 mm |
| Fuel Tank Capacity | 64 L | 54 L |
