2009 Kia Optima vs. 2010 Mercury Mariner
To start off, 2010 Mercury Mariner is newer by 1 year(s). Which means there will be less support and parts availability for 2009 Kia Optima. In addition, the cost of maintenance, including insurance, on 2009 Kia Optima would be higher. At 2,656 cc (6 cylinders), 2009 Kia Optima is equipped with a bigger engine. In terms of performance, 2009 Kia Optima (194 HP @ 6000 RPM) has 23 more horse power than 2010 Mercury Mariner. (171 HP @ 6000 RPM). In normal driving conditions, 2009 Kia Optima should accelerate faster than 2010 Mercury Mariner. With that said, vehicle weight also plays an important factor in acceleration. 2009 Kia Optima weights approximately 4 kg more than 2010 Mercury Mariner. 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, 2009 Kia Optima (250 Nm @ 4500 RPM) has 18 more torque (in Nm) than 2010 Mercury Mariner. (232 Nm @ 4500 RPM). This means 2009 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2010 Mercury Mariner.
Compare all specifications:
| 2009 Kia Optima | 2010 Mercury Mariner | |
| Make | Kia | Mercury |
| Model | Optima | Mariner |
| Year Released | 2009 | 2010 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2656 cc | 2500 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 194 HP | 171 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 250 Nm | 232 Nm |
| Torque RPM | 4500 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1519 kg | 1515 kg |
| Vehicle Length | 4810 mm | 4450 mm |
| Vehicle Width | 1810 mm | 1806 mm |
| Vehicle Height | 1490 mm | 1727 mm |
| Wheelbase Size | 2730 mm | 2619 mm |
| Fuel Consumption Highway | 8.6 L/100km | 8.4 L/100km |
| Fuel Consumption City | 11.9 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 62 L | 62 L |
