2007 BMW Z4 vs. 2005 GMC Sierra
To start off, 2007 BMW Z4 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2005 GMC Sierra would be higher. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (338 HP @ 7900 RPM) has 17 more horse power than 2005 GMC Sierra. (321 HP @ 5000 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2005 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 785 kg more than 2007 BMW Z4.
Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 GMC Sierra (370 Nm @ 4000 RPM) has 5 more torque (in Nm) than 2007 BMW Z4. (365 Nm @ 4900 RPM). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4. 2005 GMC Sierra has automatic transmission and 2007 BMW Z4 has manual transmission. 2007 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW Z4 | 2005 GMC Sierra | |
| Make | BMW | GMC |
| Model | Z4 | Sierra |
| Year Released | 2007 | 2005 |
| Body Type | Convertible | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 5965 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 338 HP | 321 HP |
| Engine RPM | 7900 RPM | 5000 RPM |
| Torque | 365 Nm | 370 Nm |
| Torque RPM | 4900 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 6 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1485 kg | 2270 kg |
| Vehicle Length | 4120 mm | 5790 mm |
| Vehicle Width | 1790 mm | 2000 mm |
| Vehicle Height | 1310 mm | 1850 mm |
| Wheelbase Size | 2500 mm | 3650 mm |
| Fuel Consumption Overall | 12.1 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 55 L | 117 L |
