2007 BMW Z4 vs. 2005 BMW 730
To start off, 2007 BMW Z4 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW 730. In addition, the cost of maintenance, including insurance, on 2005 BMW 730 would be higher. At 2,993 cc (6 cylinders), 2005 BMW 730 is equipped with a bigger engine. In terms of performance, 2005 BMW 730 (228 HP @ 5900 RPM) has 13 more horse power than 2007 BMW Z4. (215 HP @ 6500 RPM) In normal driving conditions, 2005 BMW 730 should accelerate faster than 2007 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 730 weights approximately 462 kg more than 2007 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 730 (300 Nm @ 3500 RPM) has 50 more torque (in Nm) than 2007 BMW Z4. (250 Nm @ 2750 RPM). This means 2005 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4. 2005 BMW 730 has automatic transmission and 2007 BMW Z4 has manual transmission. 2007 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW 730 will be easier to drive especially in heavy traffic.
Compare all specifications:
2007 BMW Z4 | 2005 BMW 730 | |
Make | BMW | BMW |
Model | Z4 | 730 |
Year Released | 2007 | 2005 |
Body Type | Convertible | Sedan |
Engine Position | Front | Front |
Engine Size | 2497 cc | 2993 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 215 HP | 228 HP |
Engine RPM | 6500 RPM | 5900 RPM |
Torque | 250 Nm | 300 Nm |
Torque RPM | 2750 RPM | 3500 RPM |
Engine Bore Size | 82 mm | 84 mm |
Engine Stroke Size | 78.8 mm | 89.6 mm |
Engine Compression Ratio | 11.0:1 | 10.0:1 |
Fuel Type | Gasoline | Gasoline - Premium |
Top Speed | 240 km/hour | 237 km/hour |
Acceleration 0-100mph | 6.5 seconds | 8.3 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 | 1362 kg | 1824 kg |
Vehicle Length | 4100 mm | 5190 mm |
Vehicle Width | 1310 mm | 1910 mm |
Vehicle Height | 1790 mm | 1490 mm |
Wheelbase Size | 2500 mm | 3140 mm |
Fuel Consumption Overall | 8.4 L/100km | 10.1 L/100km |
Fuel Tank Capacity | 55 L | 88 L |