2007 BMW Z4 vs. 2006 GMC Sierra
To start off, 2007 BMW Z4 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2006 GMC Sierra would be higher. At 5,358 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (295 HP @ 5200 RPM) has 127 more horse power than 2007 BMW Z4. (168 HP @ 6250 RPM) In normal driving conditions, 2006 GMC Sierra should accelerate faster than 2007 BMW Z4.
Let's talk about torque, 2006 GMC Sierra (454 Nm @ 4000 RPM) has 244 more torque (in Nm) than 2007 BMW Z4. (210 Nm @ 3500 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
| 2007 BMW Z4 | 2006 GMC Sierra | |
| Make | BMW | GMC |
| Model | Z4 | Sierra |
| Year Released | 2007 | 2006 |
| Body Type | Convertible | Pickup |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 5358 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 168 HP | 295 HP |
| Engine RPM | 6250 RPM | 5200 RPM |
| Torque | 210 Nm | 454 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 80 mm | 96 mm |
| Engine Stroke Size | 72 mm | 92 mm |
| Engine Compression Ratio | 10.8:1 | 9.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline / Electric Hybrid |
| Number of Seats | 2 seats | 6 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4100 mm | 5850 mm |
| Vehicle Width | 1790 mm | 2000 mm |
| Vehicle Height | 1310 mm | 1810 mm |
| Wheelbase Size | 2500 mm | 3650 mm |
| Fuel Consumption Overall | 8.9 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 55 L | 98 L |
