2005 GMC Sierra vs. 2010 Kia Optima
To start off, 2010 Kia Optima is newer by 5 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 5,964 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (340 HP @ 5200 RPM) has 165 more horse power than 2010 Kia Optima. (175 HP @ 6000 RPM). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2010 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 895 kg more than 2010 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2010 Kia Optima. 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 (516 Nm @ 4000 RPM) has 287 more torque (in Nm) than 2010 Kia Optima. (229 Nm @ 4000 RPM). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2010 Kia Optima.
Compare all specifications:
| 2005 GMC Sierra | 2010 Kia Optima | |
| Make | GMC | Kia |
| Model | Sierra | Optima |
| Year Released | 2005 | 2010 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5964 cc | 2400 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 340 HP | 175 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 516 Nm | 229 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2345 kg | 1450 kg |
| Vehicle Length | 5740 mm | 4801 mm |
| Vehicle Width | 2000 mm | 1806 mm |
| Vehicle Height | 1910 mm | 1481 mm |
| Wheelbase Size | 3650 mm | 2720 mm |
