2006 Mazda 6 vs. 2006 BMW 645
To start off, both 2006 Mazda 6 and 2006 BMW 645 were released in the same year (2006). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 113 more horse power than 2006 Mazda 6. (215 HP @ 6000 RPM) In normal driving conditions, 2006 BMW 645 should accelerate faster than 2006 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 1005 kg more than 2006 Mazda 6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 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 2006 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2006 Mazda 6, 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 180 more torque (in Nm) than 2006 Mazda 6. (270 Nm @ 5000 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2006 Mazda 6.
Compare all specifications:
| 2006 Mazda 6 | 2006 BMW 645 | |
| Make | Mazda | BMW |
| Model | 6 | 645 |
| Year Released | 2006 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2964 cc | 4398 cc |
| Horse Power | 215 HP | 328 HP |
| Engine RPM | 6000 RPM | 6100 RPM |
| Torque | 270 Nm | 450 Nm |
| Torque RPM | 5000 RPM | 3600 RPM |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 810 kg | 1815 kg |
| Vehicle Length | 4780 mm | 4830 mm |
| Vehicle Width | 1790 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1380 mm |
| Wheelbase Size | 2680 mm | 2790 mm |
| Fuel Consumption Overall | 10.7 L/100km | 12.8 L/100km |
| Fuel Tank Capacity | 68 L | 70 L |
