2006 BMW Z4 vs. 2004 Chevrolet Express
To start off, 2006 BMW Z4 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Chevrolet Express. In addition, the cost of maintenance, including insurance, on 2004 Chevrolet Express would be higher. At 5,998 cc (8 cylinders), 2004 Chevrolet Express is equipped with a bigger engine. In terms of performance, 2004 Chevrolet Express (300 HP @ 5600 RPM) has 111 more horse power than 2006 BMW Z4. (189 HP @ 6000 RPM) In normal driving conditions, 2004 Chevrolet Express should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Chevrolet Express weights approximately 1339 kg more than 2006 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, 2004 Chevrolet Express (488 Nm) has 243 more torque (in Nm) than 2006 BMW Z4. (245 Nm). This means 2004 Chevrolet Express will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW Z4 | 2004 Chevrolet Express | |
| Make | BMW | Chevrolet |
| Model | Z4 | Express |
| Year Released | 2006 | 2004 |
| Body Type | Convertible | Van |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 5998 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 189 HP | 300 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 245 Nm | 488 Nm |
| Engine Bore Size | 84 mm | 102 mm |
| Engine Stroke Size | 75 mm | 92 mm |
| Engine Compression Ratio | 11.0:1 | 9.4:1 |
| Number of Seats | 2 seats | 12 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1335 kg | 2674 kg |
| Vehicle Length | 4100 mm | 5700 mm |
| Vehicle Width | 1790 mm | 2020 mm |
| Vehicle Height | 1310 mm | 2080 mm |
| Wheelbase Size | 2500 mm | 3440 mm |
| Fuel Tank Capacity | 55 L | 117 L |
