2007 Kia Optima vs. 2005 Mercury Mountaineer
To start off, 2007 Kia Optima is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Mercury Mountaineer. In addition, the cost of maintenance, including insurance, on 2005 Mercury Mountaineer would be higher. At 3,996 cc (6 cylinders), 2005 Mercury Mountaineer is equipped with a bigger engine. In terms of performance, 2005 Mercury Mountaineer (202 HP @ 5000 RPM) has 40 more horse power than 2007 Kia Optima. (162 HP @ 5800 RPM) In normal driving conditions, 2005 Mercury Mountaineer should accelerate faster than 2007 Kia Optima.
Because 2005 Mercury Mountaineer 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, 2005 Mercury Mountaineer 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, 2005 Mercury Mountaineer (339 Nm @ 3000 RPM) has 117 more torque (in Nm) than 2007 Kia Optima. (222 Nm @ 4250 RPM). This means 2005 Mercury Mountaineer will have an easier job in driving up hills or pulling heavy equipment than 2007 Kia Optima. 2005 Mercury Mountaineer 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. 2005 Mercury Mountaineer will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Kia Optima | 2005 Mercury Mountaineer | |
| Make | Kia | Mercury |
| Model | Optima | Mountaineer |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2359 cc | 3996 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 162 HP | 202 HP |
| Engine RPM | 5800 RPM | 5000 RPM |
| Torque | 222 Nm | 339 Nm |
| Torque RPM | 4250 RPM | 3000 RPM |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4740 mm | 4860 mm |
| Vehicle Width | 1810 mm | 1840 mm |
| Vehicle Height | 1490 mm | 1850 mm |
| Wheelbase Size | 2730 mm | 2870 mm |
| Fuel Consumption | 6.9 L/100km | 12.5 L/100km |
| Fuel Consumption City | 9.8 L/100km | 15.8 L/100km |
| Fuel Consumption Overall | 8.4 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 62 L | 85 L |
