2009 Kia Optima vs. 2005 Mazda 6
To start off, 2009 Kia Optima is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Mazda 6. In addition, the cost of maintenance, including insurance, on 2005 Mazda 6 would be higher. At 2,399 cc (4 cylinders), 2009 Kia Optima is equipped with a bigger engine. In terms of performance, 2009 Kia Optima (173 HP @ 6000 RPM) has 13 more horse power than 2005 Mazda 6. (160 HP @ 4000 RPM). In normal driving conditions, 2009 Kia Optima should accelerate faster than 2005 Mazda 6.
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, 2005 Mazda 6 (210 Nm) has 41 more torque (in Nm) than 2009 Kia Optima. (169 Nm). This means 2005 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 2009 Kia Optima.
Compare all specifications:
| 2009 Kia Optima | 2005 Mazda 6 | |
| Make | Kia | Mazda |
| Model | Optima | 6 |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2399 cc | 2261 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 160 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 169 Nm | 210 Nm |
| Engine Bore Size | 91 mm | 87 mm |
| Engine Stroke Size | 96 mm | 94 mm |
| Engine Compression Ratio | 10.1:1 | 9.7:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4810 mm | 4750 mm |
| Vehicle Width | 1810 mm | 1790 mm |
| Vehicle Height | 1490 mm | 1450 mm |
| Wheelbase Size | 2730 mm | 2680 mm |
| Fuel Consumption | 7.4 L/100km | 7.6 L/100km |
| Fuel Consumption City | 10.7 L/100km | 10.2 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 62 L | 68 L |
