2006 Kia Optima vs. 2005 Toyota Avensis
To start off, 2006 Kia Optima is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Toyota Avensis. In addition, the cost of maintenance, including insurance, on 2005 Toyota Avensis would be higher. At 2,360 cc (4 cylinders), 2006 Kia Optima is equipped with a bigger engine. In terms of performance, 2005 Toyota Avensis (149 HP @ 6000 RPM) has 11 more horse power than 2006 Kia Optima. (138 HP @ 5500 RPM) In normal driving conditions, 2005 Toyota Avensis should accelerate faster than 2006 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2005 Toyota Avensis weights approximately 7 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, 2006 Kia Optima (199 Nm @ 3000 RPM) has 7 more torque (in Nm) than 2005 Toyota Avensis. (192 Nm @ 4000 RPM). This means 2006 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2005 Toyota Avensis.
Compare all specifications:
| 2006 Kia Optima | 2005 Toyota Avensis | |
| Make | Kia | Toyota |
| Model | Optima | Avensis |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2360 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 149 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 199 Nm | 192 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 86.6 mm | 86 mm |
| Engine Stroke Size | 100 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 9.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1488 kg | 1495 kg |
| Vehicle Length | 4730 mm | 4660 mm |
| Vehicle Width | 1820 mm | 1770 mm |
| Vehicle Height | 1420 mm | 1680 mm |
| Wheelbase Size | 2710 mm | 2800 mm |
| Fuel Consumption Overall | 9.4 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 65 L | 60 L |
