2005 BMW Z4 vs. 2011 BMW 750
To start off, 2011 BMW 750 is newer by 6 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 4,400 cc (8 cylinders), 2011 BMW 750 is equipped with a bigger engine. In terms of performance, 2011 BMW 750 (400 HP @ 5500 RPM) has 259 more horse power than 2005 BMW Z4. (141 HP @ 6200 RPM) In normal driving conditions, 2011 BMW 750 should accelerate faster than 2005 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW 750 weights approximately 745 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, 2011 BMW 750 (609 Nm @ 1750 RPM) has 409 more torque (in Nm) than 2005 BMW Z4. (200 Nm @ 3600 RPM). This means 2011 BMW 750 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW Z4. 2011 BMW 750 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. 2011 BMW 750 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW Z4 | 2011 BMW 750 | |
| Make | BMW | BMW |
| Model | Z4 | 750 |
| Year Released | 2005 | 2011 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 4400 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 141 HP | 400 HP |
| Engine RPM | 6200 RPM | 5500 RPM |
| Torque | 200 Nm | 609 Nm |
| Torque RPM | 3600 RPM | 1750 RPM |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| 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 | 2070 kg |
| Vehicle Length | 4100 mm | 5075 mm |
| Vehicle Width | 1790 mm | 1902 mm |
| Vehicle Height | 1310 mm | 1481 mm |
| Wheelbase Size | 2500 mm | 3071 mm |
| Fuel Consumption | 5.8 L/100km | 10.7 L/100km |
| Fuel Consumption City | 11 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 55 L | 82 L |
