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 2,966 cc (6 cylinders), 2007 Mazda 6 is equipped with a bigger engine. In terms of performance, 2007 Mazda 6 (212 HP @ 6000 RPM) has 18 more horse power than 2009 Kia Optima. (194 HP @ 6000 RPM) In normal driving conditions, 2007 Mazda 6 should accelerate faster than 2009 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2009 Kia Optima weights approximately 399 kg more 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, 2007 Mazda 6 (267 Nm @ 5000 RPM) has 17 more torque (in Nm) than 2009 Kia Optima. (250 Nm @ 4500 RPM). This means 2007 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 2009 Kia Optima. 2009 Kia Optima has automatic transmission and 2007 Mazda 6 has manual transmission. 2007 Mazda 6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Kia Optima 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 | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2656 cc | 2966 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 194 HP | 212 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 250 Nm | 267 Nm |
| Torque RPM | 4500 RPM | 5000 RPM |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1519 kg | 1120 kg |
| 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 | 8.6 L/100km | 8.7 L/100km |
| Fuel Consumption City | 11.9 L/100km | 12.4 L/100km |
| Fuel Consumption Overall | 10.4 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 62 L | 68 L |
