2004 BMW 645 vs. 2004 Mazda 6
To start off, both 2004 BMW 645 and 2004 Mazda 6 were released in the same year (2004). Therefore the support and the availability on parts for both vehicles should be relatively similar. 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 72 more horse power than 2004 Mazda 6. (256 HP @ 6000 RPM). In normal driving conditions, 2004 BMW 645 should accelerate faster than 2004 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 645 weights approximately 660 kg more than 2004 Mazda 6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Mazda 6 is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW 645. In wet, icy, snow, or gravel driving conditions, 2004 Mazda 6 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, 2004 BMW 645 (450 Nm @ 3600 RPM) has 70 more torque (in Nm) than 2004 Mazda 6. (380 Nm @ 3000 RPM). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2004 Mazda 6.
Compare all specifications:
2004 BMW 645 | 2004 Mazda 6 | |
Make | BMW | Mazda |
Model | 645 | 6 |
Year Released | 2004 | 2004 |
Body Type | Coupe | Sedan |
Engine Position | Front | Front |
Engine Size | 4398 cc | 2261 cc |
Engine Cylinders | 8 cylinders | 4 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 328 HP | 256 HP |
Engine RPM | 6100 RPM | 6000 RPM |
Torque | 450 Nm | 380 Nm |
Torque RPM | 3600 RPM | 3000 RPM |
Engine Bore Size | 92 mm | 87.5 mm |
Engine Stroke Size | 82.7 mm | 94 mm |
Engine Compression Ratio | 10.0:1 | 9.5:1 |
Top Speed | 250 km/hour | 250 km/hour |
Acceleration 0-100mph | 5.6 seconds | 6.9 seconds |
Drive Type | Rear | 4WD |
Transmission Type | Manual | Manual |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1690 kg | 1030 kg |
Vehicle Length | 4830 mm | 4750 mm |
Vehicle Width | 1860 mm | 1790 mm |
Vehicle Height | 1380 mm | 1450 mm |
Wheelbase Size | 2830 mm | 2680 mm |