2005 Kia Rio vs. 2003 Mazda 6
To start off, 2005 Kia Rio is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Mazda 6. In addition, the cost of maintenance, including insurance, on 2003 Mazda 6 would be higher. At 1,837 cc (4 cylinders), 2003 Mazda 6 is equipped with a bigger engine. In terms of performance, 2005 Kia Rio (138 HP @ 4000 RPM) has 20 more horse power than 2003 Mazda 6. (118 HP @ 5500 RPM). In normal driving conditions, 2005 Kia Rio should accelerate faster than 2003 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mazda 6 weights approximately 466 kg more than 2005 Kia Rio.
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 Mazda 6 (244 Nm @ 4500 RPM) has 129 more torque (in Nm) than 2005 Kia Rio. (115 Nm @ 3000 RPM). This means 2003 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Rio.
Compare all specifications:
| 2005 Kia Rio | 2003 Mazda 6 | |
| Make | Kia | Mazda |
| Model | Rio | 6 |
| Year Released | 2005 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1341 cc | 1837 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 118 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 115 Nm | 244 Nm |
| Torque RPM | 3000 RPM | 4500 RPM |
| Engine Bore Size | 75.5 mm | 83 mm |
| Engine Stroke Size | 75 mm | 83.1 mm |
| Engine Compression Ratio | 9.5:1 | 11.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 944 kg | 1410 kg |
| Wheelbase Size | 2420 mm | 2270 mm |
| Fuel Tank Capacity | 45 L | 64 L |
