2004 BMW Z4 vs. 2005 BMW 745
To start off, 2005 BMW 745 is newer by 1 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 4,392 cc (8 cylinders), 2005 BMW 745 is equipped with a bigger engine. In terms of performance, 2005 BMW 745 (341 HP @ 6100 RPM) has 156 more horse power than 2004 BMW Z4. (185 HP @ 6000 RPM) In normal driving conditions, 2005 BMW 745 should accelerate faster than 2004 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 745 weights approximately 729 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, 2005 BMW 745 (447 Nm @ 3600 RPM) has 202 more torque (in Nm) than 2004 BMW Z4. (245 Nm @ 3500 RPM). This means 2005 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW Z4. 2005 BMW 745 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. 2005 BMW 745 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 BMW Z4 | 2005 BMW 745 | |
| Make | BMW | BMW |
| Model | Z4 | 745 |
| Year Released | 2004 | 2005 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 4392 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 341 HP |
| Engine RPM | 6000 RPM | 6100 RPM |
| Torque | 245 Nm | 447 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Engine Bore Size | 84 mm | 92 mm |
| Engine Stroke Size | 75 mm | 83 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 235 km/hour | 250 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1296 kg | 2025 kg |
| Vehicle Length | 4100 mm | 5180 mm |
| Vehicle Width | 1790 mm | 1910 mm |
| Vehicle Height | 1300 mm | 1500 mm |
| Wheelbase Size | 2500 mm | 3140 mm |
| Fuel Consumption | 8.4 L/100km | 9.1 L/100km |
| Fuel Consumption City | 11.8 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 10.2 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 55 L | 88 L |
