2005 BMW 325 vs. 2007 BMW Z4
To start off, 2007 BMW Z4 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW 325. In addition, the cost of maintenance, including insurance, on 2005 BMW 325 would be higher. At 2,492 cc (6 cylinders), 2005 BMW 325 is equipped with a bigger engine. In terms of performance, 2005 BMW 325 (184 HP @ 7400 RPM) has 16 more horse power than 2007 BMW Z4. (168 HP @ 6250 RPM). In normal driving conditions, 2005 BMW 325 should accelerate faster than 2007 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 325 weights approximately 135 kg more than 2007 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 BMW 325 (237 Nm) has 27 more torque (in Nm) than 2007 BMW Z4. (210 Nm). This means 2005 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
| 2005 BMW 325 | 2007 BMW Z4 | |
| Make | BMW | BMW |
| Model | 325 | Z4 |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 184 HP | 168 HP |
| Engine RPM | 7400 RPM | 6250 RPM |
| Torque | 237 Nm | 210 Nm |
| Engine Bore Size | 84 mm | 80 mm |
| Engine Stroke Size | 75 mm | 72 mm |
| Engine Compression Ratio | 10.5:1 | 10.8:1 |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1460 kg | 1325 kg |
| Vehicle Length | 4480 mm | 4100 mm |
| Vehicle Width | 1750 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1310 mm |
| Wheelbase Size | 2730 mm | 2500 mm |
| Fuel Consumption Overall | 9.8 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 63 L | 55 L |
