2005 GMC Yukon vs. 2006 Kia Optima
To start off, 2006 Kia Optima is newer by 1 year(s). Which means there will be less support and parts availability for 2005 GMC Yukon. In addition, the cost of maintenance, including insurance, on 2005 GMC Yukon would be higher. At 4,818 cc (8 cylinders), 2005 GMC Yukon is equipped with a bigger engine. In terms of performance, 2005 GMC Yukon (260 HP @ 5200 RPM) has 90 more horse power than 2006 Kia Optima. (170 HP @ 6000 RPM). In normal driving conditions, 2005 GMC Yukon should accelerate faster than 2006 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Yukon weights approximately 773 kg more than 2006 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 GMC Yukon is four wheel drive (4WD), it will have significant more traction and grip than 2006 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2005 GMC Yukon 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 Yukon (393 Nm @ 4000 RPM) has 148 more torque (in Nm) than 2006 Kia Optima. (245 Nm @ 4000 RPM). This means 2005 GMC Yukon will have an easier job in driving up hills or pulling heavy equipment than 2006 Kia Optima.
Compare all specifications:
| 2005 GMC Yukon | 2006 Kia Optima | |
| Make | GMC | Kia |
| Model | Yukon | Optima |
| Year Released | 2005 | 2006 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4818 cc | 2671 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 260 HP | 170 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 393 Nm | 245 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 96 mm | 86.8 mm |
| Engine Stroke Size | 83 mm | 75 mm |
| Engine Compression Ratio | 9.5:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2260 kg | 1487 kg |
| Vehicle Length | 5060 mm | 4730 mm |
| Vehicle Width | 2010 mm | 1820 mm |
| Vehicle Height | 1950 mm | 1420 mm |
| Wheelbase Size | 2950 mm | 2710 mm |
| Fuel Consumption Highway | 11.8 L/100km | 8.7 L/100km |
| Fuel Consumption City | 14.7 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 13.8 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 98 L | 65 L |
