2008 BMW 545 vs. 2009 BMW Z4
To start off, 2009 BMW Z4 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW 545. In addition, the cost of maintenance, including insurance, on 2008 BMW 545 would be higher. At 4,398 cc (8 cylinders), 2008 BMW 545 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (335 HP @ 7900 RPM) has 7 more horse power than 2008 BMW 545. (328 HP @ 6100 RPM) In normal driving conditions, 2009 BMW Z4 should accelerate faster than 2008 BMW 545. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 545 weights approximately 450 kg more than 2009 BMW Z4.
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, 2008 BMW 545 (450 Nm @ 3600 RPM) has 135 more torque (in Nm) than 2009 BMW Z4. (315 Nm @ 2750 RPM). This means 2008 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW Z4.
Compare all specifications:
| 2008 BMW 545 | 2009 BMW Z4 | |
| Make | BMW | BMW |
| Model | 545 | Z4 |
| Year Released | 2008 | 2009 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2979 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 335 HP |
| Engine RPM | 6100 RPM | 7900 RPM |
| Torque | 450 Nm | 315 Nm |
| Torque RPM | 3600 RPM | 2750 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 6.2 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1975 kg | 1525 kg |
| Vehicle Length | 4850 mm | 4100 mm |
| Vehicle Width | 1850 mm | 1790 mm |
| Vehicle Height | 1500 mm | 1310 mm |
| Wheelbase Size | 2840 mm | 2500 mm |
| Fuel Consumption Overall | 11.3 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
