2003 Kia Sephia II vs. 2007 Mazda 6
To start off, 2007 Mazda 6 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Kia Sephia II. In addition, the cost of maintenance, including insurance, on 2003 Kia Sephia II would be higher. At 2,260 cc (4 cylinders), 2007 Mazda 6 is equipped with a bigger engine. In terms of performance, 2007 Mazda 6 (164 HP @ 6500 RPM) has 85 more horse power than 2003 Kia Sephia II. (79 HP @ 5500 RPM) In normal driving conditions, 2007 Mazda 6 should accelerate faster than 2003 Kia Sephia II. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mazda 6 weights approximately 375 kg more than 2003 Kia Sephia II. 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, 2007 Mazda 6 (207 Nm @ 4000 RPM) has 85 more torque (in Nm) than 2003 Kia Sephia II. (122 Nm @ 2500 RPM). This means 2007 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 2003 Kia Sephia II.
Compare all specifications:
| 2003 Kia Sephia II | 2007 Mazda 6 | |
| Make | Kia | Mazda |
| Model | Sephia II | 6 |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1498 cc | 2260 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 79 HP | 164 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 122 Nm | 207 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1055 kg | 1430 kg |
| Vehicle Length | 4520 mm | 4690 mm |
| Vehicle Width | 1730 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1440 mm |
| Wheelbase Size | 2570 mm | 2680 mm |
| Fuel Tank Capacity | 50 L | 64 L |
