2007 BMW X5 vs. 2009 Mazda RX-8
To start off, 2009 Mazda RX-8 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW X5. In addition, the cost of maintenance, including insurance, on 2007 BMW X5 would be higher. At 2,979 cc (6 cylinders), 2007 BMW X5 is equipped with a bigger engine. In terms of performance, 2007 BMW X5 (228 HP @ 5900 RPM) has 39 more horse power than 2009 Mazda RX-8. (189 HP @ 7000 RPM). In normal driving conditions, 2007 BMW X5 should accelerate faster than 2009 Mazda RX-8. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 660 kg more than 2009 Mazda RX-8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Mazda RX-8. In wet, icy, snow, or gravel driving conditions, 2007 BMW X5 will offer significantly more control. 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 BMW X5 (301 Nm @ 3500 RPM) has 81 more torque (in Nm) than 2009 Mazda RX-8. (220 Nm @ 5000 RPM). This means 2007 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mazda RX-8.
Compare all specifications:
| 2007 BMW X5 | 2009 Mazda RX-8 | |
| Make | BMW | Mazda |
| Model | X5 | RX-8 |
| Year Released | 2007 | 2009 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 1308 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 228 HP | 189 HP |
| Engine RPM | 5900 RPM | 7000 RPM |
| Torque | 301 Nm | 220 Nm |
| Torque RPM | 3500 RPM | 5000 RPM |
| Engine Bore Size | 84 mm | 78.1 mm |
| Engine Stroke Size | 89.6 mm | 83.6 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 9.4 seconds | 7.2 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2080 kg | 1420 kg |
| Vehicle Length | 4670 mm | 4440 mm |
| Vehicle Width | 1710 mm | 1780 mm |
| Vehicle Height | 1880 mm | 1350 mm |
| Wheelbase Size | 2830 mm | 2710 mm |
| Fuel Consumption Overall | 14.2 L/100km | 10.6 L/100km |
| Fuel Tank Capacity | 85 L | 61 L |
