2005 Kia Optima vs. 2006 Mazda RX-8
To start off, 2006 Mazda RX-8 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Kia Optima. In addition, the cost of maintenance, including insurance, on 2005 Kia Optima would be higher. At 2,360 cc (4 cylinders), 2005 Kia Optima is equipped with a bigger engine. In terms of performance, 2006 Mazda RX-8 (212 HP @ 7500 RPM) has 74 more horse power than 2005 Kia Optima. (138 HP @ 3800 RPM) In normal driving conditions, 2006 Mazda RX-8 should accelerate faster than 2005 Kia Optima.
Because 2006 Mazda RX-8 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 Mazda RX-8. However, in wet, icy, snow, or gravel driving conditions, 2005 Kia Optima, being front wheel drive (FWD), will offer much better control with better grip. 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, 2006 Mazda RX-8 (216 Nm) has 17 more torque (in Nm) than 2005 Kia Optima. (199 Nm). This means 2006 Mazda RX-8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
| 2005 Kia Optima | 2006 Mazda RX-8 | |
| Make | Kia | Mazda |
| Model | Optima | RX-8 |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2360 cc | 1311 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 138 HP | 212 HP |
| Engine RPM | 3800 RPM | 7500 RPM |
| Torque | 199 Nm | 216 Nm |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4730 mm | 4430 mm |
| Vehicle Width | 1820 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1350 mm |
| Wheelbase Size | 2710 mm | 2710 mm |
| Fuel Consumption | 7.8 L/100km | 9.4 L/100km |
| Fuel Consumption City | 10.2 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 65 L | 60 L |
