2008 GMC Sierra vs. 2007 Chevrolet Cobalt
To start off, 2008 GMC Sierra is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Chevrolet Cobalt. In addition, the cost of maintenance, including insurance, on 2007 Chevrolet Cobalt would be higher. At 4,298 cc (6 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 GMC Sierra (195 HP @ 4600 RPM) has 47 more horse power than 2007 Chevrolet Cobalt. (148 HP @ 5600 RPM). In normal driving conditions, 2008 GMC Sierra should accelerate faster than 2007 Chevrolet Cobalt. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 880 kg more than 2007 Chevrolet Cobalt. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2007 Chevrolet Cobalt. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 GMC Sierra (353 Nm @ 2800 RPM) has 147 more torque (in Nm) than 2007 Chevrolet Cobalt. (206 Nm @ 4200 RPM). This means 2008 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 Chevrolet Cobalt. 2008 GMC Sierra has automatic transmission and 2007 Chevrolet Cobalt has manual transmission. 2007 Chevrolet Cobalt will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 GMC Sierra | 2007 Chevrolet Cobalt | |
| Make | GMC | Chevrolet |
| Model | Sierra | Cobalt |
| Year Released | 2008 | 2007 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4298 cc | 2199 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 195 HP | 148 HP |
| Engine RPM | 4600 RPM | 5600 RPM |
| Torque | 353 Nm | 206 Nm |
| Torque RPM | 2800 RPM | 4200 RPM |
| Engine Compression Ratio | 9.2:1 | 10.0:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 3 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2141 kg | 1261 kg |
| Vehicle Length | 5710 mm | 4590 mm |
| Vehicle Width | 2040 mm | 1730 mm |
| Vehicle Height | 1880 mm | 1460 mm |
| Wheelbase Size | 3030 mm | 2630 mm |
| Fuel Consumption Overall | 13.1 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 98 L | 42 L |
