2008 BMW 545 vs. 2011 BMW Z4
To start off, 2011 BMW Z4 is newer by 3 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 4,397 cc (8 cylinders), 2008 BMW 545 is equipped with a bigger engine. In terms of performance, 2011 BMW Z4 (335 HP @ 5900 RPM) has 7 more horse power than 2008 BMW 545. (328 HP @ 6100 RPM) In normal driving conditions, 2011 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 95 kg more than 2011 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, both vehicles can yield 450 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2008 BMW 545 | 2011 BMW Z4 | |
| Make | BMW | BMW |
| Model | 545 | Z4 |
| Year Released | 2008 | 2011 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4397 cc | 3000 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 | 5900 RPM |
| Torque | 450 Nm | 450 Nm |
| Torque RPM | 3600 RPM | 1500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1705 kg | 1610 kg |
| Vehicle Length | 4850 mm | 4242 mm |
| Vehicle Width | 1850 mm | 1791 mm |
| Vehicle Height | 1470 mm | 1285 mm |
| Wheelbase Size | 2890 mm | 2497 mm |
| Fuel Tank Capacity | 70 L | 55 L |
