2005 Mazda RX-8 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 RX-8. In addition, the cost of maintenance, including insurance, on 2005 Mazda RX-8 would be higher. At 2,032 cc (4 cylinders), 2007 Mercedes-Benz B is equipped with a bigger engine. In terms of performance, 2005 Mazda RX-8 (197 HP @ 4000 RPM) has 7 more horse power than 2007 Mercedes-Benz B. (190 HP @ 5000 RPM). In normal driving conditions, 2005 Mazda RX-8 should accelerate faster than 2007 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mazda RX-8 weights approximately 15 kg more than 2007 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 rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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 (280 Nm @ 1800 RPM) has 58 more torque (in Nm) than 2005 Mazda RX-8. (222 Nm @ 5500 RPM). This means 2007 Mercedes-Benz B will have an easier job in driving up hills or pulling heavy equipment than 2005 Mazda RX-8.
Compare all specifications:
| 2005 Mazda RX-8 | 2007 Mercedes-Benz B | |
| Make | Mazda | Mercedes-Benz |
| Model | RX-8 | B |
| Year Released | 2005 | 2007 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1311 cc | 2032 cc |
| Engine Type | dual-disk rotary | in-line |
| Horse Power | 197 HP | 190 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 222 Nm | 280 Nm |
| Torque RPM | 5500 RPM | 1800 RPM |
| Engine Compression Ratio | 10.0:1 | 9.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1385 kg | 1370 kg |
| Vehicle Length | 4430 mm | 4280 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1350 mm | 1610 mm |
| Wheelbase Size | 2680 mm | 2780 mm |
| Fuel Consumption Overall | 11.9 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 60 L | 56 L |
