2008 GMC Sierra vs. 2011 Kia Optima
To start off, 2011 Kia Optima is newer by 3 year(s). Which means there will be less support and parts availability for 2008 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2008 GMC Sierra would be higher. At 5,999 cc (8 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 GMC Sierra (353 HP @ 5400 RPM) has 187 more horse power than 2011 Kia Optima. (166 HP @ 6000 RPM). In normal driving conditions, 2008 GMC Sierra should accelerate faster than 2011 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 852 kg more than 2011 Kia Optima. 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 2011 Kia Optima. 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 (506 Nm @ 4400 RPM) has 297 more torque (in Nm) than 2011 Kia Optima. (209 Nm @ 4250 RPM). This means 2008 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2011 Kia Optima.
Compare all specifications:
| 2008 GMC Sierra | 2011 Kia Optima | |
| Make | GMC | Kia |
| Model | Sierra | Optima |
| Year Released | 2008 | 2011 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 2400 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 353 HP | 166 HP |
| Engine RPM | 5400 RPM | 6000 RPM |
| Torque | 506 Nm | 209 Nm |
| Torque RPM | 4400 RPM | 4250 RPM |
| Fuel Type | Gasoline | Gasoline / Electric Hybrid |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2435 kg | 1583 kg |
| Vehicle Length | 6340 mm | 4844 mm |
| Vehicle Width | 2040 mm | 1831 mm |
| Vehicle Height | 1950 mm | 1455 mm |
| Wheelbase Size | 4010 mm | 2797 mm |
| Fuel Tank Capacity | 129 L | 65 L |
