2007 Nissan X-Trail vs. 2011 Kia Optima
To start off, 2011 Kia Optima is newer by 4 year(s). Which means there will be less support and parts availability for 2007 Nissan X-Trail. In addition, the cost of maintenance, including insurance, on 2007 Nissan X-Trail would be higher. At 2,000 cc (4 cylinders), 2011 Kia Optima is equipped with a bigger engine. In terms of performance, 2011 Kia Optima (274 HP @ 6000 RPM) has 136 more horse power than 2007 Nissan X-Trail. (138 HP @ 6000 RPM) In normal driving conditions, 2011 Kia Optima should accelerate faster than 2007 Nissan X-Trail. With that said, vehicle weight also plays an important factor in acceleration. 2011 Kia Optima weights approximately 45 kg more than 2007 Nissan X-Trail. 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, 2011 Kia Optima (364 Nm @ 1750 RPM) has 172 more torque (in Nm) than 2007 Nissan X-Trail. (192 Nm @ 4000 RPM). This means 2011 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2007 Nissan X-Trail.
Compare all specifications:
| 2007 Nissan X-Trail | 2011 Kia Optima | |
| Make | Nissan | Kia |
| Model | X-Trail | Optima |
| Year Released | 2007 | 2011 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 2000 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 274 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 192 Nm | 364 Nm |
| Torque RPM | 4000 RPM | 1750 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1490 kg | 1535 kg |
| Vehicle Length | 4520 mm | 4844 mm |
| Vehicle Width | 1770 mm | 1831 mm |
| Vehicle Height | 1680 mm | 1455 mm |
| Wheelbase Size | 2630 mm | 2797 mm |
| Fuel Tank Capacity | 60 L | 70 L |
