2006 BMW 325 vs. 2008 BMW Z4
To start off, 2008 BMW Z4 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 BMW 325. In addition, the cost of maintenance, including insurance, on 2006 BMW 325 would be higher. At 3,246 cc (6 cylinders), 2008 BMW Z4 is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (338 HP @ 7900 RPM) has 149 more horse power than 2006 BMW 325. (189 HP @ 6000 RPM) In normal driving conditions, 2008 BMW Z4 should accelerate faster than 2006 BMW 325.
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 Z4 (365 Nm @ 4900 RPM) has 120 more torque (in Nm) than 2006 BMW 325. (245 Nm @ 3500 RPM). This means 2008 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 325.
Compare all specifications:
| 2006 BMW 325 | 2008 BMW Z4 | |
| Make | BMW | BMW |
| Model | 325 | Z4 |
| Year Released | 2006 | 2008 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 3246 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 338 HP |
| Engine RPM | 6000 RPM | 7900 RPM |
| Torque | 245 Nm | 365 Nm |
| Torque RPM | 3500 RPM | 4900 RPM |
| Engine Bore Size | 84.1 mm | 87 mm |
| Engine Stroke Size | 75 mm | 91 mm |
| Engine Compression Ratio | 11.0:1 | 11.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 7.3 seconds | 5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1495 kg | 1495 kg |
| Vehicle Length | 4490 mm | 4870 mm |
| Vehicle Width | 1760 mm | 1790 mm |
| Vehicle Height | 1380 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2500 mm |
| Fuel Consumption Overall | 9.1 L/100km | 12.3 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
