2006 BMW Z4 vs. 2005 BMW 745
To start off, 2006 BMW Z4 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 BMW 745. In addition, the cost of maintenance, including insurance, on 2005 BMW 745 would be higher. At 4,392 cc (8 cylinders), 2005 BMW 745 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (343 HP @ 7900 RPM) has 2 more horse power than 2005 BMW 745. (341 HP @ 6100 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 2005 BMW 745. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 745 weights approximately 693 kg more than 2006 BMW Z4.
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, 2006 BMW Z4 (495 Nm @ 4900 RPM) has 48 more torque (in Nm) than 2005 BMW 745. (447 Nm @ 3600 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 745. 2005 BMW 745 has automatic transmission and 2006 BMW Z4 has manual transmission. 2006 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:
| 2006 BMW Z4 | 2005 BMW 745 | |
| Make | BMW | BMW |
| Model | Z4 | 745 |
| Year Released | 2006 | 2005 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 4392 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 343 HP | 341 HP |
| Engine RPM | 7900 RPM | 6100 RPM |
| Torque | 495 Nm | 447 Nm |
| Torque RPM | 4900 RPM | 3600 RPM |
| Engine Compression Ratio | 11.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 249 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5 seconds | 6.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1332 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 Overall | 11.4 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 60 L | 88 L |
