2007 Kia Sorento vs. 2006 Kia Optima
To start off, 2007 Kia Sorento is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Kia Optima. In addition, the cost of maintenance, including insurance, on 2006 Kia Optima would be higher. At 3,800 cc (6 cylinders), 2007 Kia Sorento is equipped with a bigger engine. In terms of performance, 2007 Kia Sorento (262 HP @ 6000 RPM) has 124 more horse power than 2006 Kia Optima. (138 HP @ 5500 RPM). In normal driving conditions, 2007 Kia Sorento should accelerate faster than 2006 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2007 Kia Sorento weights approximately 83 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2007 Kia Sorento (354 Nm @ 4500 RPM) has 155 more torque (in Nm) than 2006 Kia Optima. (199 Nm @ 3000 RPM). This means 2007 Kia Sorento will have an easier job in driving up hills or pulling heavy equipment than 2006 Kia Optima.
Compare all specifications:
| 2007 Kia Sorento | 2006 Kia Optima | |
| Make | Kia | Kia |
| Model | Sorento | Optima |
| Year Released | 2007 | 2006 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3800 cc | 2360 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 262 HP | 138 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 354 Nm | 199 Nm |
| Torque RPM | 4500 RPM | 3000 RPM |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2087 kg | 2004 kg |
| Vehicle Length | 4600 mm | 4730 mm |
| Vehicle Width | 1870 mm | 1820 mm |
| Vehicle Height | 1820 mm | 1420 mm |
| Wheelbase Size | 2720 mm | 2710 mm |
| Fuel Consumption Highway | 10.2 L/100km | 7.8 L/100km |
| Fuel Consumption City | 13.8 L/100km | 10.7 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 80 L | 65 L |
