2004 BMW Z4 vs. 2007 Mazda 6
To start off, 2007 Mazda 6 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 BMW Z4. In addition, the cost of maintenance, including insurance, on 2004 BMW Z4 would be higher. At 2,983 cc (6 cylinders), 2004 BMW Z4 is equipped with a bigger engine. In terms of performance, 2004 BMW Z4 (225 HP @ 5900 RPM) has 90 more horse power than 2007 Mazda 6. (135 HP @ 3500 RPM). In normal driving conditions, 2004 BMW Z4 should accelerate faster than 2007 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mazda 6 weights approximately 90 kg more than 2004 BMW Z4.
Because 2004 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 2004 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Mazda 6 (310 Nm @ 2000 RPM) has 10 more torque (in Nm) than 2004 BMW Z4. (300 Nm @ 3500 RPM). This means 2007 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW Z4.
Compare all specifications:
| 2004 BMW Z4 | 2007 Mazda 6 | |
| Make | BMW | Mazda |
| Model | Z4 | 6 |
| Year Released | 2004 | 2007 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 225 HP | 135 HP |
| Engine RPM | 5900 RPM | 3500 RPM |
| Torque | 300 Nm | 310 Nm |
| Torque RPM | 3500 RPM | 2000 RPM |
| Engine Compression Ratio | 10.2:1 | 18.3:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 245 km/hour | 200 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 10.4 seconds |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1395 kg | 1485 kg |
| Vehicle Length | 4100 mm | 4690 mm |
| Vehicle Width | 1790 mm | 1790 mm |
| Vehicle Height | 1310 mm | 1440 mm |
| Wheelbase Size | 2500 mm | 2680 mm |
| Fuel Consumption Overall | 9.1 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 55 L | 64 L |
