2005 BMW Z4 vs. 2007 BMW 730
To start off, 2007 BMW 730 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW Z4. In addition, the cost of maintenance, including insurance, on 2005 BMW Z4 would be higher. At 2,993 cc (6 cylinders), 2007 BMW 730 is equipped with a bigger engine. In terms of performance, 2007 BMW 730 (228 HP @ 4000 RPM) has 87 more horse power than 2005 BMW Z4. (141 HP @ 6200 RPM) In normal driving conditions, 2007 BMW 730 should accelerate faster than 2005 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 730 weights approximately 650 kg more than 2005 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 (520 Nm @ 2000 RPM) has 320 more torque (in Nm) than 2005 BMW Z4. (200 Nm @ 3600 RPM). This means 2007 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW Z4. 2007 BMW 730 has automatic transmission and 2005 BMW Z4 has manual transmission. 2005 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 730 will be easier to drive especially in heavy traffic.
Compare all specifications:
2005 BMW Z4 | 2007 BMW 730 | |
Make | BMW | BMW |
Model | Z4 | 730 |
Year Released | 2005 | 2007 |
Body Type | Convertible | Sedan |
Engine Position | Front | Front |
Engine Size | 1995 cc | 2993 cc |
Engine Cylinders | 4 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 141 HP | 228 HP |
Engine RPM | 6200 RPM | 4000 RPM |
Torque | 200 Nm | 520 Nm |
Torque RPM | 3600 RPM | 2000 RPM |
Engine Compression Ratio | 10.5:1 | 18.0:1 |
Fuel Type | Gasoline - Premium | Diesel |
Top Speed | 220 km/hour | 233 km/hour |
Acceleration 0-100mph | 8.2 seconds | 7.8 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 | 1325 kg | 1975 kg |
Vehicle Length | 4100 mm | 4230 mm |
Vehicle Width | 1790 mm | 1910 mm |
Vehicle Height | 1310 mm | 1500 mm |
Wheelbase Size | 2500 mm | 3000 mm |
Fuel Consumption Overall | 7.7 L/100km | 8.2 L/100km |
Fuel Tank Capacity | 55 L | 88 L |