2009 Mazda CX-9 vs. 2007 BMW 545
To start off, 2009 Mazda CX-9 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 545. In addition, the cost of maintenance, including insurance, on 2007 BMW 545 would be higher. At 4,397 cc (8 cylinders), 2007 BMW 545 is equipped with a bigger engine. In terms of performance, 2007 BMW 545 (328 HP @ 6100 RPM) has 55 more horse power than 2009 Mazda CX-9. (273 HP @ 6250 RPM) In normal driving conditions, 2007 BMW 545 should accelerate faster than 2009 Mazda CX-9. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 545 weights approximately 784 kg more than 2009 Mazda CX-9. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Mazda CX-9 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 545. In wet, icy, snow, or gravel driving conditions, 2009 Mazda CX-9 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 545 (450 Nm @ 3600 RPM) has 84 more torque (in Nm) than 2009 Mazda CX-9. (366 Nm @ 4500 RPM). This means 2007 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mazda CX-9.
Compare all specifications:
| 2009 Mazda CX-9 | 2007 BMW 545 | |
| Make | Mazda | BMW |
| Model | CX-9 | 545 |
| Year Released | 2009 | 2007 |
| Body Type | SUV | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3724 cc | 4397 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 273 HP | 328 HP |
| Engine RPM | 6250 RPM | 6100 RPM |
| Torque | 366 Nm | 450 Nm |
| Torque RPM | 4500 RPM | 3600 RPM |
| Engine Compression Ratio | 9.7:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1191 kg | 1975 kg |
| Vehicle Length | 5080 mm | 4850 mm |
| Vehicle Width | 1940 mm | 1850 mm |
| Vehicle Height | 1730 mm | 1500 mm |
| Wheelbase Size | 2880 mm | 2840 mm |
| Fuel Consumption Overall | 13.8 L/100km | 11.3 L/100km |
| Fuel Tank Capacity | 76 L | 70 L |
