2007 BMW Convertible vs. 2008 GMC Sierra
To start off, 2008 GMC Sierra is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW Convertible. In addition, the cost of maintenance, including insurance, on 2007 BMW Convertible would be higher. At 4,797 cc (8 cylinders), 2007 BMW Convertible is equipped with a bigger engine. In terms of performance, 2007 BMW Convertible (362 HP @ 6300 RPM) has 167 more horse power than 2008 GMC Sierra. (195 HP @ 4600 RPM). In normal driving conditions, 2007 BMW Convertible should accelerate faster than 2008 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 291 kg more than 2007 BMW Convertible.
Let's talk about torque, 2007 BMW Convertible (490 Nm @ 3900 RPM) has 137 more torque (in Nm) than 2008 GMC Sierra. (353 Nm @ 2800 RPM). This means 2007 BMW Convertible will have an easier job in driving up hills or pulling heavy equipment than 2008 GMC Sierra.
Compare all specifications:
| 2007 BMW Convertible | 2008 GMC Sierra | |
| Make | BMW | GMC |
| Model | Convertible | Sierra |
| Year Released | 2007 | 2008 |
| Body Type | Convertible | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4797 cc | 4298 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 362 HP | 195 HP |
| Engine RPM | 6300 RPM | 4600 RPM |
| Torque | 490 Nm | 353 Nm |
| Torque RPM | 3900 RPM | 2800 RPM |
| Engine Compression Ratio | 10.5:1 | 9.2:1 |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 3 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1850 kg | 2141 kg |
| Vehicle Length | 4830 mm | 5710 mm |
| Vehicle Width | 1380 mm | 2040 mm |
| Vehicle Height | 1860 mm | 1880 mm |
| Wheelbase Size | 2790 mm | 3030 mm |
| Fuel Tank Capacity | 70 L | 98 L |
