2004 BMW Z4 vs. 2002 Porsche 911
To start off, 2004 BMW Z4 is newer by 2 year(s). Which means there will be less support and parts availability for 2002 Porsche 911. In addition, the cost of maintenance, including insurance, on 2002 Porsche 911 would be higher. At 3,589 cc (6 cylinders), 2002 Porsche 911 is equipped with a bigger engine. In terms of performance, 2002 Porsche 911 (276 HP @ 8000 RPM) has 91 more horse power than 2004 BMW Z4. (185 HP @ 6000 RPM) In normal driving conditions, 2002 Porsche 911 should accelerate faster than 2004 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2002 Porsche 911 weights approximately 109 kg more than 2004 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2002 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2002 Porsche 911 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, 2002 Porsche 911 (841 Nm) has 596 more torque (in Nm) than 2004 BMW Z4. (245 Nm). This means 2002 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW Z4.
Compare all specifications:
| 2004 BMW Z4 | 2002 Porsche 911 | |
| Make | BMW | Porsche |
| Model | Z4 | 911 |
| Year Released | 2004 | 2002 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2494 cc | 3589 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 276 HP |
| Engine RPM | 6000 RPM | 8000 RPM |
| Torque | 245 Nm | 841 Nm |
| Engine Bore Size | 84 mm | 100.2 mm |
| Engine Stroke Size | 75 mm | 76.5 mm |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1296 kg | 1405 kg |
| Vehicle Length | 4100 mm | 4450 mm |
| Vehicle Width | 1790 mm | 1840 mm |
| Vehicle Height | 1300 mm | 1280 mm |
| Wheelbase Size | 2500 mm | 2370 mm |
| Fuel Tank Capacity | 55 L | 64 L |
