2007 Mazda 6 vs. 2011 Kia Optima
To start off, 2011 Kia Optima is newer by 4 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 2,400 cc (4 cylinders), 2011 Kia Optima is equipped with a bigger engine. In terms of performance, 2007 Mazda 6 (256 HP @ 5500 RPM) has 56 more horse power than 2011 Kia Optima. (200 HP @ 6300 RPM). In normal driving conditions, 2007 Mazda 6 should accelerate faster than 2011 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2011 Kia Optima weights approximately 100 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 (380 Nm @ 3000 RPM) has 128 more torque (in Nm) than 2011 Kia Optima. (252 Nm @ 4250 RPM). This means 2007 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 2011 Kia Optima.
Compare all specifications:
| 2007 Mazda 6 | 2011 Kia Optima | |
| Make | Mazda | Kia |
| Model | 6 | Optima |
| Year Released | 2007 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2261 cc | 2400 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 256 HP | 200 HP |
| Engine RPM | 5500 RPM | 6300 RPM |
| Torque | 380 Nm | 252 Nm |
| Torque RPM | 3000 RPM | 4250 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1354 kg | 1454 kg |
| Vehicle Length | 4680 mm | 4844 mm |
| Vehicle Width | 1790 mm | 1831 mm |
| Vehicle Height | 1440 mm | 1455 mm |
| Wheelbase Size | 2680 mm | 2797 mm |
| Fuel Tank Capacity | 60 L | 70 L |
