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 2,614 cc, 2005 Mazda RX-8 is equipped with a bigger engine. In terms of performance, 2005 Mazda RX-8 (189 HP @ 7000 RPM) has 95 more horse power than 2007 Mercedes-Benz B. (94 HP @ 5200 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 90 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.
Because 2005 Mazda RX-8 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 2005 Mazda RX-8. However, in wet, icy, snow, or gravel driving conditions, 2007 Mercedes-Benz B, 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, 2005 Mazda RX-8 (220 Nm @ 5000 RPM) has 80 more torque (in Nm) than 2007 Mercedes-Benz B. (140 Nm @ 3500 RPM). This means 2005 Mazda RX-8 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz B.
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 | 2614 cc | 1498 cc |
| Engine Type | dual-disk rotary | in-line |
| Horse Power | 189 HP | 94 HP |
| Engine RPM | 7000 RPM | 5200 RPM |
| Torque | 220 Nm | 140 Nm |
| Torque RPM | 5000 RPM | 3500 RPM |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1390 kg | 1300 kg |
| Vehicle Length | 4430 mm | 4280 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1350 mm | 1610 mm |
| Wheelbase Size | 2710 mm | 2780 mm |
| Fuel Consumption Overall | 11.8 L/100km | 6.6 L/100km |
| Fuel Tank Capacity | 61 L | 54 L |
