2005 Toyota Sienna vs. 2011 Kia Optima
To start off, 2011 Kia Optima is newer by 6 year(s). Which means there will be less support and parts availability for 2005 Toyota Sienna. In addition, the cost of maintenance, including insurance, on 2005 Toyota Sienna would be higher. At 3,298 cc (6 cylinders), 2005 Toyota Sienna is equipped with a bigger engine. In terms of performance, 2005 Toyota Sienna (230 HP @ 5300 RPM) has 64 more horse power than 2011 Kia Optima. (166 HP @ 6000 RPM). In normal driving conditions, 2005 Toyota Sienna should accelerate faster than 2011 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2005 Toyota Sienna weights approximately 286 kg more than 2011 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, 2005 Toyota Sienna (344 Nm) has 135 more torque (in Nm) than 2011 Kia Optima. (209 Nm). This means 2005 Toyota Sienna will have an easier job in driving up hills or pulling heavy equipment than 2011 Kia Optima.
Compare all specifications:
| 2005 Toyota Sienna | 2011 Kia Optima | |
| Make | Toyota | Kia |
| Model | Sienna | Optima |
| Year Released | 2005 | 2011 |
| Body Type | Minivan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3298 cc | 2400 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 230 HP | 166 HP |
| Engine RPM | 5300 RPM | 6000 RPM |
| Torque | 344 Nm | 209 Nm |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1869 kg | 1583 kg |
| Vehicle Length | 5090 mm | 4844 mm |
| Vehicle Width | 1970 mm | 1831 mm |
| Vehicle Height | 1760 mm | 1455 mm |
| Wheelbase Size | 3040 mm | 2797 mm |
| Fuel Consumption Highway | 9.1 L/100km | 5.9 L/100km |
| Fuel Consumption City | 12.4 L/100km | 6.7 L/100km |
| Fuel Tank Capacity | 76 L | 65 L |
