2007 Kia Optima vs. 2008 Nissan X-Trail
To start off, 2008 Nissan X-Trail is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Kia Optima. In addition, the cost of maintenance, including insurance, on 2007 Kia Optima would be higher. At 2,654 cc (6 cylinders), 2007 Kia Optima is equipped with a bigger engine. In terms of performance, 2007 Kia Optima (185 HP @ 6000 RPM) has 51 more horse power than 2008 Nissan X-Trail. (134 HP @ 4000 RPM). In normal driving conditions, 2007 Kia Optima should accelerate faster than 2008 Nissan X-Trail. With that said, vehicle weight also plays an important factor in acceleration. 2008 Nissan X-Trail weights approximately 113 kg more than 2007 Kia Optima.
Because 2008 Nissan X-Trail is four wheel drive (4WD), it will have significant more traction and grip than 2007 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2008 Nissan X-Trail will offer significantly more control. 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, 2008 Nissan X-Trail (300 Nm @ 2000 RPM) has 53 more torque (in Nm) than 2007 Kia Optima. (247 Nm @ 4000 RPM). This means 2008 Nissan X-Trail will have an easier job in driving up hills or pulling heavy equipment than 2007 Kia Optima. 2007 Kia Optima has automatic transmission and 2008 Nissan X-Trail has manual transmission. 2008 Nissan X-Trail will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Kia Optima will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Kia Optima | 2008 Nissan X-Trail | |
| Make | Kia | Nissan |
| Model | Optima | X-Trail |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2654 cc | 2184 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 134 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 247 Nm | 300 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 86.7 mm | 86 mm |
| Engine Stroke Size | 75 mm | 94 mm |
| Engine Compression Ratio | 10.4:1 | 16.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1487 kg | 1600 kg |
| Vehicle Length | 4740 mm | 4520 mm |
| Vehicle Width | 1810 mm | 1770 mm |
| Vehicle Height | 1490 mm | 1680 mm |
| Wheelbase Size | 2730 mm | 2630 mm |
| Fuel Consumption Overall | 9.4 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 62 L | 60 L |
