2008 BMW Z4 vs. 2004 BMW 645
To start off, 2008 BMW Z4 is newer by 4 year(s). Which means there will be less support and parts availability for 2004 BMW 645. In addition, the cost of maintenance, including insurance, on 2004 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 645 weights approximately 525 kg more than 2008 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, 2004 BMW 645 (451 Nm @ 3600 RPM) has 136 more torque (in Nm) than 2008 BMW Z4. (315 Nm @ 2750 RPM). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW Z4.
Compare all specifications:
2008 BMW Z4 | 2004 BMW 645 | |
Make | BMW | BMW |
Model | Z4 | 645 |
Year Released | 2008 | 2004 |
Body Type | Convertible | Convertible |
Engine Position | Front | Front |
Engine Size | 2979 cc | 4398 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 0 HP | 328 HP |
Torque | 315 Nm | 451 Nm |
Torque RPM | 2750 RPM | 3600 RPM |
Fuel Type | Gasoline | Gasoline - Premium |
Top Speed | 250 km/hour | 250 km/hour |
Acceleration 0-100mph | 5.9 seconds | 6.1 seconds |
Drive Type | Rear | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 2 seats | 4 seats |
Number of Doors | 2 doors | 2 doors |
Vehicle Weight | 1290 kg | 1815 kg |
Vehicle Length | 4870 mm | 4830 mm |
Vehicle Height | 1480 mm | 1380 mm |
Wheelbase Size | 2500 mm | 2790 mm |
Fuel Consumption Overall | 9.3 L/100km | 12.8 L/100km |
Fuel Tank Capacity | 55 L | 70 L |