2004 BMW 645 vs. 2013 Mazda CX-9
To start off, 2013 Mazda CX-9 is newer by 9 year(s). Which means there will be less support and parts availability for 2004 BMW 645. In addition, the cost of maintenance, including insurance, on 2004 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. In terms of performance, 2004 BMW 645 (328 HP @ 6100 RPM) has 59 more horse power than 2013 Mazda CX-9. (269 HP @ 6250 RPM). In normal driving conditions, 2004 BMW 645 should accelerate faster than 2013 Mazda CX-9. With that said, vehicle weight also plays an important factor in acceleration. 2013 Mazda CX-9 weights approximately 237 kg more than 2004 BMW 645.
Because 2004 BMW 645 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 2004 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2013 Mazda CX-9, 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, 2004 BMW 645 (450 Nm @ 3600 RPM) has 84 more torque (in Nm) than 2013 Mazda CX-9. (366 Nm @ 4250 RPM). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2013 Mazda CX-9. 2013 Mazda CX-9 has automatic transmission and 2004 BMW 645 has manual transmission. 2004 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 Mazda CX-9 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 BMW 645 | 2013 Mazda CX-9 | |
| Make | BMW | Mazda |
| Model | 645 | CX-9 |
| Year Released | 2004 | 2013 |
| Body Type | Coupe | Crossover |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 3726 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 269 HP |
| Engine RPM | 6100 RPM | 6250 RPM |
| Torque | 450 Nm | 366 Nm |
| Torque RPM | 3600 RPM | 4250 RPM |
| Engine Bore Size | 92 mm | 95 mm |
| Engine Stroke Size | 82.7 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 10.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | 6-speed automatic |
| Number of Seats | 4 seats | 7 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1690 kg | 1927 kg |
| Vehicle Length | 4830 mm | 5108 mm |
| Vehicle Width | 1860 mm | 1936 mm |
| Vehicle Height | 1380 mm | 1728 mm |
| Wheelbase Size | 2830 mm | 2875 mm |
| Fuel Tank Capacity | 70 L | 76 L |
