2009 BMW Z4 vs. 2006 GMC Sierra
To start off, 2009 BMW Z4 is newer by 3 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 4,293 cc (6 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (338 HP @ 7900 RPM) has 143 more horse power than 2006 GMC Sierra. (195 HP @ 4600 RPM). In normal driving conditions, 2009 BMW Z4 should accelerate faster than 2006 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 832 kg more than 2009 BMW Z4.
Because 2006 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2006 GMC Sierra will offer significantly more control. 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 (365 Nm @ 4900 RPM) has 12 more torque (in Nm) than 2006 GMC Sierra. (353 Nm @ 2800 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2006 GMC Sierra.
Compare all specifications:
| 2009 BMW Z4 | 2006 GMC Sierra | |
| Make | BMW | GMC |
| Model | Z4 | Sierra |
| Year Released | 2009 | 2006 |
| Body Type | Convertible | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 4293 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 338 HP | 195 HP |
| Engine RPM | 7900 RPM | 4600 RPM |
| Torque | 365 Nm | 353 Nm |
| Torque RPM | 4900 RPM | 2800 RPM |
| Engine Compression Ratio | 11.5:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 3 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1485 kg | 2317 kg |
| Vehicle Length | 4120 mm | 5710 mm |
| Vehicle Width | 1310 mm | 2000 mm |
| Vehicle Height | 1790 mm | 1810 mm |
| Wheelbase Size | 2500 mm | 3380 mm |
| Fuel Consumption Overall | 12.3 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 70 L | 129 L |
