2006 BMW Z4 vs. 2005 Mazda 6
To start off, 2006 BMW Z4 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Mazda 6. In addition, the cost of maintenance, including insurance, on 2005 Mazda 6 would be higher. At 2,965 cc (6 cylinders), 2005 Mazda 6 is equipped with a bigger engine. In terms of performance, 2005 Mazda 6 (220 HP @ 4000 RPM) has 31 more horse power than 2006 BMW Z4. (189 HP @ 6000 RPM) In normal driving conditions, 2005 Mazda 6 should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mazda 6 weights approximately 156 kg more than 2006 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW Z4 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 Z4. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Mazda 6 (260 Nm) has 15 more torque (in Nm) than 2006 BMW Z4. (245 Nm). This means 2005 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW Z4 | 2005 Mazda 6 | |
| Make | BMW | Mazda |
| Model | Z4 | 6 |
| Year Released | 2006 | 2005 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 2965 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 220 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 245 Nm | 260 Nm |
| Engine Bore Size | 84 mm | 89 mm |
| Engine Stroke Size | 75 mm | 80 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1335 kg | 1491 kg |
| Vehicle Length | 4100 mm | 4750 mm |
| Vehicle Width | 1790 mm | 1790 mm |
| Vehicle Height | 1310 mm | 1450 mm |
| Wheelbase Size | 2500 mm | 2680 mm |
| Fuel Consumption Overall | 9 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 55 L | 68 L |
