2003 BMW Z4 vs. 2007 Mazda 3
To start off, 2007 Mazda 3 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 BMW Z4. In addition, the cost of maintenance, including insurance, on 2003 BMW Z4 would be higher. At 2,999 cc (6 cylinders), 2003 BMW Z4 is equipped with a bigger engine. In terms of performance, 2003 BMW Z4 (227 HP @ 6000 RPM) has 79 more horse power than 2007 Mazda 3. (148 HP @ 6500 RPM). In normal driving conditions, 2003 BMW Z4 should accelerate faster than 2007 Mazda 3. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW Z4 weights approximately 99 kg more than 2007 Mazda 3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 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 2003 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2007 Mazda 3, 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, 2003 BMW Z4 (291 Nm @ 3500 RPM) has 108 more torque (in Nm) than 2007 Mazda 3. (183 Nm @ 4500 RPM). This means 2003 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mazda 3.
Compare all specifications:
| 2003 BMW Z4 | 2007 Mazda 3 | |
| Make | BMW | Mazda |
| Model | Z4 | 3 |
| Year Released | 2003 | 2007 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2999 cc | 1999 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 227 HP | 148 HP |
| Engine RPM | 6000 RPM | 6500 RPM |
| Torque | 291 Nm | 183 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1290 kg | 1191 kg |
| Vehicle Length | 4100 mm | 4510 mm |
| Vehicle Width | 1790 mm | 1760 mm |
| Vehicle Height | 1310 mm | 1470 mm |
| Wheelbase Size | 2500 mm | 2650 mm |
| Fuel Tank Capacity | 55 L | 55 L |
