2008 Mazda CX-9 vs. 2011 Kia Optima
To start off, 2011 Kia Optima is newer by 3 year(s). Which means there will be less support and parts availability for 2008 Mazda CX-9. In addition, the cost of maintenance, including insurance, on 2008 Mazda CX-9 would be higher. At 3,726 cc (6 cylinders), 2008 Mazda CX-9 is equipped with a bigger engine. In terms of performance, 2011 Kia Optima (274 HP @ 6000 RPM) has 4 more horse power than 2008 Mazda CX-9. (270 HP @ 6250 RPM) In normal driving conditions, 2011 Kia Optima should accelerate faster than 2008 Mazda CX-9. With that said, vehicle weight also plays an important factor in acceleration. 2011 Kia Optima weights approximately 355 kg more than 2008 Mazda CX-9. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Mazda CX-9 is four wheel drive (4WD), it will have significant more traction and grip than 2011 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2008 Mazda CX-9 will offer significantly more control. 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, 2008 Mazda CX-9 (370 Nm @ 4500 RPM) has 6 more torque (in Nm) than 2011 Kia Optima. (364 Nm @ 1750 RPM). This means 2008 Mazda CX-9 will have an easier job in driving up hills or pulling heavy equipment than 2011 Kia Optima.
Compare all specifications:
| 2008 Mazda CX-9 | 2011 Kia Optima | |
| Make | Mazda | Kia |
| Model | CX-9 | Optima |
| Year Released | 2008 | 2011 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3726 cc | 2000 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 270 HP | 274 HP |
| Engine RPM | 6250 RPM | 6000 RPM |
| Torque | 370 Nm | 364 Nm |
| Torque RPM | 4500 RPM | 1750 RPM |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1180 kg | 1535 kg |
| Vehicle Length | 5080 mm | 4844 mm |
| Vehicle Width | 1940 mm | 1831 mm |
| Vehicle Height | 1730 mm | 1455 mm |
| Wheelbase Size | 2880 mm | 2797 mm |
| Fuel Consumption Highway | 11.2 L/100km | 6.9 L/100km |
| Fuel Consumption City | 15.7 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 76 L | 70 L |
