2009 Kia Optima vs. 2007 Mazda 6
To start off, 2009 Kia Optima is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mazda 6. In addition, the cost of maintenance, including insurance, on 2007 Mazda 6 would be higher. At 2,359 cc (4 cylinders), 2009 Kia Optima is equipped with a bigger engine. In terms of performance, 2009 Kia Optima (175 HP @ 6000 RPM) has 36 more horse power than 2007 Mazda 6. (139 HP @ 6000 RPM). In normal driving conditions, 2009 Kia Optima should accelerate faster than 2007 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, 2009 Kia Optima (229 Nm @ 4000 RPM) has 48 more torque (in Nm) than 2007 Mazda 6. (181 Nm @ 4500 RPM). This means 2009 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2007 Mazda 6. 2007 Mazda 6 has automatic transmission and 2009 Kia Optima has manual transmission. 2009 Kia Optima will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mazda 6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Kia Optima | 2007 Mazda 6 | |
| Make | Kia | Mazda |
| Model | Optima | 6 |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2359 cc | 1999 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 139 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 229 Nm | 181 Nm |
| Torque RPM | 4000 RPM | 4500 RPM |
| Engine Compression Ratio | 10.1:1 | 10.8:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4810 mm | 4710 mm |
| Vehicle Width | 1810 mm | 1790 mm |
| Vehicle Height | 1490 mm | 1490 mm |
| Wheelbase Size | 2730 mm | 2680 mm |
| Fuel Consumption Overall | 9.6 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 62 L | 64 L |
