2007 BMW 730 vs. 2007 BMW Z4
To start off, both 2007 BMW 730 and 2007 BMW Z4 were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,996 cc (6 cylinders), 2007 BMW 730 is equipped with a bigger engine. In terms of performance, 2007 BMW 730 (255 HP @ 6600 RPM) has 40 more horse power than 2007 BMW Z4. (215 HP @ 6500 RPM). In normal driving conditions, 2007 BMW 730 should accelerate faster than 2007 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 730 weights approximately 530 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, 2007 BMW 730 (300 Nm @ 2500 RPM) has 50 more torque (in Nm) than 2007 BMW Z4. (250 Nm @ 2750 RPM). This means 2007 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
| 2007 BMW 730 | 2007 BMW Z4 | |
| Make | BMW | BMW |
| Model | 730 | Z4 |
| Year Released | 2007 | 2007 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 2494 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 215 HP |
| Engine RPM | 6600 RPM | 6500 RPM |
| Torque | 300 Nm | 250 Nm |
| Torque RPM | 2500 RPM | 2750 RPM |
| Engine Compression Ratio | 10.7:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 244 km/hour | 227 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 7.5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1820 kg | 1290 kg |
| Vehicle Length | 5180 mm | 4100 mm |
| Vehicle Width | 1910 mm | 1790 mm |
| Vehicle Height | 1500 mm | 1310 mm |
| Wheelbase Size | 3140 mm | 2500 mm |
| Fuel Consumption Overall | 10.1 L/100km | 9.5 L/100km |
| Fuel Tank Capacity | 88 L | 55 L |
