2003 Kia Opirus vs. 2005 Mazda 6
To start off, 2005 Mazda 6 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Kia Opirus. In addition, the cost of maintenance, including insurance, on 2003 Kia Opirus would be higher. At 3,497 cc (6 cylinders), 2003 Kia Opirus is equipped with a bigger engine. In terms of performance, 2003 Kia Opirus (196 HP @ 5500 RPM) has 53 more horse power than 2005 Mazda 6. (143 HP @ 6000 RPM). In normal driving conditions, 2003 Kia Opirus should accelerate faster than 2005 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2003 Kia Opirus weights approximately 385 kg more than 2005 Mazda 6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2003 Kia Opirus (295 Nm @ 3500 RPM) has 114 more torque (in Nm) than 2005 Mazda 6. (181 Nm @ 4500 RPM). This means 2003 Kia Opirus will have an easier job in driving up hills or pulling heavy equipment than 2005 Mazda 6. 2003 Kia Opirus has automatic transmission and 2005 Mazda 6 has manual transmission. 2005 Mazda 6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Kia Opirus will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Kia Opirus | 2005 Mazda 6 | |
| Make | Kia | Mazda |
| Model | Opirus | 6 |
| Year Released | 2003 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3497 cc | 1996 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 196 HP | 143 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 295 Nm | 181 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Engine Bore Size | 93 mm | 87.5 mm |
| Engine Stroke Size | 85.8 mm | 83.1 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1760 kg | 1375 kg |
| Vehicle Length | 4960 mm | 4690 mm |
| Vehicle Width | 1860 mm | 1790 mm |
| Vehicle Height | 1490 mm | 1440 mm |
| Wheelbase Size | 2810 mm | 2710 mm |
