2007 Kia Optima vs. 2006 Nissan Quest
To start off, 2007 Kia Optima is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Nissan Quest. In addition, the cost of maintenance, including insurance, on 2006 Nissan Quest would be higher. At 3,507 cc (6 cylinders), 2006 Nissan Quest is equipped with a bigger engine. In terms of performance, 2006 Nissan Quest (240 HP @ 5800 RPM) has 78 more horse power than 2007 Kia Optima. (162 HP @ 5800 RPM) In normal driving conditions, 2006 Nissan Quest should accelerate faster than 2007 Kia Optima.
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 Nissan Quest (328 Nm @ 4400 RPM) has 106 more torque (in Nm) than 2007 Kia Optima. (222 Nm @ 4260 RPM). This means 2006 Nissan Quest will have an easier job in driving up hills or pulling heavy equipment than 2007 Kia Optima. 2006 Nissan Quest has automatic transmission and 2007 Kia Optima has manual transmission. 2007 Kia Optima will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Nissan Quest will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Kia Optima | 2006 Nissan Quest | |
| Make | Kia | Nissan |
| Model | Optima | Quest |
| Year Released | 2007 | 2006 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2399 cc | 3507 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 162 HP | 240 HP |
| Engine RPM | 5800 RPM | 5800 RPM |
| Torque | 222 Nm | 328 Nm |
| Torque RPM | 4260 RPM | 4400 RPM |
| Engine Compression Ratio | 10.5:1 | 10.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4740 mm | 5190 mm |
| Vehicle Width | 1810 mm | 1980 mm |
| Vehicle Height | 1490 mm | 1830 mm |
| Wheelbase Size | 2730 mm | 3160 mm |
| Fuel Tank Capacity | 65 L | 76 L |
