2006 BMW Z4 vs. 2011 BMW 325
To start off, 2011 BMW 325 is newer by 5 year(s). Which means there will be less support and parts availability for 2006 BMW Z4. In addition, the cost of maintenance, including insurance, on 2006 BMW Z4 would be higher. At 2,501 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2011 BMW 325 (194 HP @ 4000 RPM) has 9 more horse power than 2006 BMW Z4. (185 HP @ 6000 RPM) In normal driving conditions, 2011 BMW 325 should accelerate faster than 2006 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, 2011 BMW 325 (400 Nm @ 3250 RPM) has 163 more torque (in Nm) than 2006 BMW Z4. (237 Nm @ 3500 RPM). This means 2011 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW Z4 | 2011 BMW 325 | |
| Make | BMW | BMW |
| Model | Z4 | 325 |
| Year Released | 2006 | 2011 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2501 cc | 2494 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 194 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 237 Nm | 400 Nm |
| Torque RPM | 3500 RPM | 3250 RPM |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 220 km/hour | 228 km/hour |
| Acceleration 0-100mph | 7 seconds | 7.6 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 4100 mm | 4230 mm |
| Vehicle Width | 1790 mm | 1820 mm |
| Vehicle Height | 1300 mm | 1440 mm |
| Wheelbase Size | 2500 mm | 2770 mm |
| Fuel Consumption Overall | 9 L/100km | 6.3 L/100km |
| Fuel Tank Capacity | 55 L | 61 L |
