2005 BMW Z4 vs. 2009 BMW 740
To start off, 2009 BMW 740 is newer by 4 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 3,998 cc (8 cylinders), 2009 BMW 740 is equipped with a bigger engine. In terms of performance, 2009 BMW 740 (302 HP) has 118 more horse power than 2005 BMW Z4. (184 HP) In normal driving conditions, 2009 BMW 740 should accelerate faster than 2005 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 740 weights approximately 550 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, 2009 BMW 740 (390 Nm @ 3500 RPM) has 153 more torque (in Nm) than 2005 BMW Z4. (237 Nm @ 3500 RPM). This means 2009 BMW 740 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW Z4. 2009 BMW 740 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. 2009 BMW 740 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW Z4 | 2009 BMW 740 | |
| Make | BMW | BMW |
| Model | Z4 | 740 |
| Year Released | 2005 | 2009 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2489 cc | 3998 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 184 HP | 302 HP |
| Torque | 237 Nm | 390 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 235 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7 seconds | 6.8 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 | 1395 kg | 1945 kg |
| Vehicle Length | 4100 mm | 5040 mm |
| Vehicle Width | 1790 mm | 1910 mm |
| Vehicle Height | 1310 mm | 1500 mm |
| Wheelbase Size | 2500 mm | 3000 mm |
| Fuel Consumption Overall | 9 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 55 L | 88 L |
