2004 BMW Z4 vs. 2004 Porsche Boxster
To start off, both 2004 BMW Z4 and 2004 Porsche Boxster were released in the same year (2004). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,688 cc (6 cylinders), 2004 Porsche Boxster is equipped with a bigger engine. In terms of performance, 2004 Porsche Boxster (228 HP @ 6000 RPM) has 43 more horse power than 2004 BMW Z4. (185 HP @ 6000 RPM) In normal driving conditions, 2004 Porsche Boxster should accelerate faster than 2004 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW Z4 weights approximately 21 kg more than 2004 Porsche Boxster.
Let's talk about torque, 2004 Porsche Boxster (260 Nm) has 15 more torque (in Nm) than 2004 BMW Z4. (245 Nm). This means 2004 Porsche Boxster will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW Z4.
Compare all specifications:
| 2004 BMW Z4 | 2004 Porsche Boxster | |
| Make | BMW | Porsche |
| Model | Z4 | Boxster |
| Year Released | 2004 | 2004 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 2494 cc | 2688 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 228 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 245 Nm | 260 Nm |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 75 mm | 78 mm |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1296 kg | 1275 kg |
| Vehicle Length | 4100 mm | 4330 mm |
| Vehicle Width | 1790 mm | 1790 mm |
| Vehicle Height | 1300 mm | 1300 mm |
| Wheelbase Size | 2500 mm | 2420 mm |
| Fuel Consumption Highway | 8.4 L/100km | 8.1 L/100km |
| Fuel Consumption City | 11.8 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 10.2 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 55 L | 64 L |
