2002 BMW Z4 vs. 2007 BMW 645
To start off, 2007 BMW 645 is newer by 5 year(s). Which means there will be less support and parts availability for 2002 BMW Z4. In addition, the cost of maintenance, including insurance, on 2002 BMW Z4 would be higher. At 4,398 cc (8 cylinders), 2007 BMW 645 is equipped with a bigger engine. In terms of performance, 2007 BMW 645 (328 HP @ 6100 RPM) has 135 more horse power than 2002 BMW Z4. (193 HP @ 6000 RPM) In normal driving conditions, 2007 BMW 645 should accelerate faster than 2002 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 645 weights approximately 325 kg more than 2002 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, 2007 BMW 645 (450 Nm @ 3600 RPM) has 205 more torque (in Nm) than 2002 BMW Z4. (245 Nm @ 3500 RPM). This means 2007 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2002 BMW Z4.
Compare all specifications:
2002 BMW Z4 | 2007 BMW 645 | |
Make | BMW | BMW |
Model | Z4 | 645 |
Year Released | 2002 | 2007 |
Body Type | Convertible | Coupe |
Engine Position | Front | Front |
Engine Size | 2494 cc | 4398 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | in-line | V |
Horse Power | 193 HP | 328 HP |
Engine RPM | 6000 RPM | 6100 RPM |
Torque | 245 Nm | 450 Nm |
Torque RPM | 3500 RPM | 3600 RPM |
Engine Compression Ratio | 10.5:1 | 10.0:1 |
Top Speed | 227 km/hour | 245 km/hour |
Acceleration 0-100mph | 7.8 seconds | 5.6 seconds |
Drive Type | Rear | Rear |
Transmission Type | Automatic | Automatic |
Number of Seats | 2 seats | 4 seats |
Number of Doors | 2 doors | 2 doors |
Vehicle Weight | 1365 kg | 1690 kg |
Vehicle Length | 4100 mm | 4830 mm |
Vehicle Width | 1790 mm | 1860 mm |
Vehicle Height | 1310 mm | 1380 mm |
Wheelbase Size | 2450 mm | 2790 mm |
Fuel Consumption Overall | 9.5 L/100km | 11.8 L/100km |
Fuel Tank Capacity | 55 L | 70 L |