2007 Kia Optima vs. 2006 Toyota 4Runner
To start off, 2007 Kia Optima is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Toyota 4Runner. In addition, the cost of maintenance, including insurance, on 2006 Toyota 4Runner would be higher. At 4,671 cc (8 cylinders), 2006 Toyota 4Runner is equipped with a bigger engine. In terms of performance, 2006 Toyota 4Runner (260 HP @ 5400 RPM) has 75 more horse power than 2007 Kia Optima. (185 HP @ 6000 RPM) In normal driving conditions, 2006 Toyota 4Runner should accelerate faster than 2007 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2006 Toyota 4Runner weights approximately 523 kg more than 2007 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, 2006 Toyota 4Runner (415 Nm @ 3400 RPM) has 168 more torque (in Nm) than 2007 Kia Optima. (247 Nm @ 4000 RPM). This means 2006 Toyota 4Runner will have an easier job in driving up hills or pulling heavy equipment than 2007 Kia Optima.
Compare all specifications:
| 2007 Kia Optima | 2006 Toyota 4Runner | |
| Make | Kia | Toyota |
| Model | Optima | 4Runner |
| Year Released | 2007 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2654 cc | 4671 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 260 HP |
| Engine RPM | 6000 RPM | 5400 RPM |
| Torque | 247 Nm | 415 Nm |
| Torque RPM | 4000 RPM | 3400 RPM |
| Engine Bore Size | 86.7 mm | 94.1 mm |
| Engine Stroke Size | 75 mm | 84 mm |
| Engine Compression Ratio | 10.4:1 | 9.6:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1487 kg | 2010 kg |
| Vehicle Length | 4740 mm | 4810 mm |
| Vehicle Width | 1810 mm | 1920 mm |
| Vehicle Height | 1490 mm | 1820 mm |
| Wheelbase Size | 2730 mm | 2800 mm |
| Fuel Consumption | 7.8 L/100km | 11.8 L/100km |
| Fuel Consumption City | 10.7 L/100km | 13.8 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 62 L | 87 L |
