2009 BMW Z4 vs. 2004 BMW 325
To start off, 2009 BMW Z4 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 BMW 325. In addition, the cost of maintenance, including insurance, on 2004 BMW 325 would be higher. At 2,996 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (335 HP @ 7900 RPM) has 219 more horse power than 2004 BMW 325. (116 HP @ 4800 RPM). In normal driving conditions, 2009 BMW Z4 should accelerate faster than 2004 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 325 weights approximately 25 kg more than 2009 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, 2009 BMW Z4 (315 Nm @ 2750 RPM) has 93 more torque (in Nm) than 2004 BMW 325. (222 Nm @ 1900 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 325. 2009 BMW Z4 has automatic transmission and 2004 BMW 325 has manual transmission. 2004 BMW 325 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW Z4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW Z4 | 2004 BMW 325 | |
| Make | BMW | BMW |
| Model | Z4 | 325 |
| Year Released | 2009 | 2004 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 2494 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 335 HP | 116 HP |
| Engine RPM | 7900 RPM | 4800 RPM |
| Torque | 315 Nm | 222 Nm |
| Torque RPM | 2750 RPM | 1900 RPM |
| Engine Compression Ratio | 12.0:1 | 22.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 244 km/hour | 198 km/hour |
| Acceleration 0-100mph | 6.2 seconds | 12 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1310 kg | 1335 kg |
| Vehicle Length | 4100 mm | 4440 mm |
| Vehicle Width | 1790 mm | 1700 mm |
| Vehicle Height | 1310 mm | 1400 mm |
| Wheelbase Size | 2500 mm | 2710 mm |
| Fuel Consumption Overall | 9.7 L/100km | 5.7 L/100km |
| Fuel Tank Capacity | 55 L | 65 L |
