2005 Mazda 3 vs. 2007 Mercedes-Benz B
To start off, 2007 Mercedes-Benz B is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Mazda 3. In addition, the cost of maintenance, including insurance, on 2005 Mazda 3 would be higher. At 1,991 cc (4 cylinders), 2007 Mercedes-Benz B is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz B (138 HP @ 4200 RPM) has 34 more horse power than 2005 Mazda 3. (104 HP @ 4000 RPM) In normal driving conditions, 2007 Mercedes-Benz B should accelerate faster than 2005 Mazda 3. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz B weights approximately 195 kg more than 2005 Mazda 3. 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, 2007 Mercedes-Benz B (300 Nm @ 1600 RPM) has 152 more torque (in Nm) than 2005 Mazda 3. (148 Nm @ 4000 RPM). This means 2007 Mercedes-Benz B will have an easier job in driving up hills or pulling heavy equipment than 2005 Mazda 3. 2007 Mercedes-Benz B has automatic transmission and 2005 Mazda 3 has manual transmission. 2005 Mazda 3 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:
| 2005 Mazda 3 | 2007 Mercedes-Benz B | |
| Make | Mazda | Mercedes-Benz |
| Model | 3 | B |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1597 cc | 1991 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 104 HP | 138 HP |
| Engine RPM | 4000 RPM | 4200 RPM |
| Torque | 148 Nm | 300 Nm |
| Torque RPM | 4000 RPM | 1600 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1240 kg | 1435 kg |
| Vehicle Length | 4490 mm | 4280 mm |
| Vehicle Width | 1760 mm | 1610 mm |
| Vehicle Height | 1470 mm | 1780 mm |
| Wheelbase Size | 2650 mm | 2780 mm |
| Fuel Tank Capacity | 50 L | 54 L |
