2006 BMW Z4 vs. 2009 GMC Sierra
To start off, 2009 GMC Sierra is newer by 3 year(s). Which means there will be less support and parts availability for 2006 BMW Z4. In addition, the cost of maintenance, including insurance, on 2006 BMW Z4 would be higher. At 5,967 cc (8 cylinders), 2009 GMC Sierra is equipped with a bigger engine. In terms of performance, 2009 GMC Sierra (327 HP @ 5100 RPM) has 159 more horse power than 2006 BMW Z4. (168 HP @ 6250 RPM) In normal driving conditions, 2009 GMC Sierra should accelerate faster than 2006 BMW Z4.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 GMC Sierra (367 Nm @ 4100 RPM) has 157 more torque (in Nm) than 2006 BMW Z4. (210 Nm @ 3500 RPM). This means 2009 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4. 2009 GMC Sierra has automatic transmission and 2006 BMW Z4 has manual transmission. 2006 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW Z4 | 2009 GMC Sierra | |
| Make | BMW | GMC |
| Model | Z4 | Sierra |
| Year Released | 2006 | 2009 |
| Body Type | Convertible | Pickup |
| Engine Position | Front | Front |
| Engine Size | 2170 cc | 5967 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 168 HP | 327 HP |
| Engine RPM | 6250 RPM | 5100 RPM |
| Torque | 210 Nm | 367 Nm |
| Torque RPM | 3500 RPM | 4100 RPM |
| Engine Compression Ratio | 10.8:1 | 10.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline / Electric Hybrid |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4100 mm | 5850 mm |
| Vehicle Height | 1310 mm | 1910 mm |
| Wheelbase Size | 2500 mm | 2950 mm |
| Fuel Tank Capacity | 55 L | 98 L |
