2004 BMW Z4 vs. 2003 Porsche Cayenne
To start off, 2004 BMW Z4 is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Porsche Cayenne. In addition, the cost of maintenance, including insurance, on 2003 Porsche Cayenne would be higher. At 4,511 cc (8 cylinders), 2003 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2003 Porsche Cayenne (335 HP @ 6000 RPM) has 150 more horse power than 2004 BMW Z4. (185 HP @ 6000 RPM) In normal driving conditions, 2003 Porsche Cayenne should accelerate faster than 2004 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2003 Porsche Cayenne weights approximately 1026 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 2003 Porsche Cayenne 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, 2003 Porsche Cayenne 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, 2003 Porsche Cayenne (420 Nm @ 2500 RPM) has 175 more torque (in Nm) than 2004 BMW Z4. (245 Nm @ 3500 RPM). This means 2003 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW Z4. 2003 Porsche Cayenne has automatic transmission and 2004 BMW Z4 has manual transmission. 2004 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Porsche Cayenne will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 BMW Z4 | 2003 Porsche Cayenne | |
| Make | BMW | Porsche |
| Model | Z4 | Cayenne |
| Year Released | 2004 | 2003 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 4511 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 335 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 245 Nm | 420 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Engine Bore Size | 84 mm | 93 mm |
| Engine Stroke Size | 75 mm | 83 mm |
| Engine Compression Ratio | 11.0:1 | 11.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1296 kg | 2322 kg |
| Vehicle Length | 4100 mm | 4790 mm |
| Vehicle Width | 1790 mm | 1930 mm |
| Vehicle Height | 1300 mm | 1710 mm |
| Wheelbase Size | 2500 mm | 2860 mm |
| Fuel Consumption Overall | 10.2 L/100km | 15.8 L/100km |
| Fuel Tank Capacity | 55 L | 100 L |
