2004 BMW Z4 vs. 2004 BMW M5
To start off, both 2004 BMW Z4 and 2004 BMW M5 were released in the same year (2004). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,999 cc (10 cylinders), 2004 BMW M5 is equipped with a bigger engine. In terms of performance, 2004 BMW M5 (500 HP @ 7400 RPM) has 315 more horse power than 2004 BMW Z4. (185 HP @ 6000 RPM) In normal driving conditions, 2004 BMW M5 should accelerate faster than 2004 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW M5 weights approximately 462 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.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2004 BMW M5 (520 Nm @ 6100 RPM) has 275 more torque (in Nm) than 2004 BMW Z4. (245 Nm @ 3500 RPM). This means 2004 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW Z4.
Compare all specifications:
| 2004 BMW Z4 | 2004 BMW M5 | |
| Make | BMW | BMW |
| Model | Z4 | M5 |
| Year Released | 2004 | 2004 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 4999 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 500 HP |
| Engine RPM | 6000 RPM | 7400 RPM |
| Torque | 245 Nm | 520 Nm |
| Torque RPM | 3500 RPM | 6100 RPM |
| Engine Bore Size | 84 mm | 92 mm |
| Engine Stroke Size | 75 mm | 75.2 mm |
| Engine Compression Ratio | 11.0:1 | 12.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 235 km/hour | 250 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1296 kg | 1758 kg |
| Vehicle Length | 4100 mm | 4850 mm |
| Vehicle Width | 1790 mm | 1850 mm |
| Vehicle Height | 1300 mm | 1470 mm |
| Wheelbase Size | 2500 mm | 2840 mm |
| Fuel Consumption | 8.4 L/100km | 10.2 L/100km |
| Fuel Consumption City | 11.8 L/100km | 22.7 L/100km |
| Fuel Consumption Overall | 10.2 L/100km | 14.8 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
