2004 Kia Optima vs. 2003 Toyota Avensis
To start off, 2004 Kia Optima is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Toyota Avensis. In addition, the cost of maintenance, including insurance, on 2003 Toyota Avensis would be higher. At 2,671 cc (6 cylinders), 2004 Kia Optima is equipped with a bigger engine. In terms of performance, 2004 Kia Optima (170 HP @ 4000 RPM) has 62 more horse power than 2003 Toyota Avensis. (108 HP @ 3600 RPM). In normal driving conditions, 2004 Kia Optima should accelerate faster than 2003 Toyota Avensis. With that said, vehicle weight also plays an important factor in acceleration. 2004 Kia Optima weights approximately 32 kg more than 2003 Toyota Avensis. 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 Toyota Avensis (274 Nm) has 29 more torque (in Nm) than 2004 Kia Optima. (245 Nm). This means 2003 Toyota Avensis will have an easier job in driving up hills or pulling heavy equipment than 2004 Kia Optima.
Compare all specifications:
| 2004 Kia Optima | 2003 Toyota Avensis | |
| Make | Kia | Toyota |
| Model | Optima | Avensis |
| Year Released | 2004 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 1988 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 170 HP | 108 HP |
| Engine RPM | 4000 RPM | 3600 RPM |
| Torque | 245 Nm | 274 Nm |
| Engine Bore Size | 87 mm | 82.2 mm |
| Engine Stroke Size | 75 mm | 94 mm |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1487 kg | 1455 kg |
| Vehicle Length | 4730 mm | 4640 mm |
| Vehicle Width | 1820 mm | 1770 mm |
| Vehicle Height | 1420 mm | 1490 mm |
| Wheelbase Size | 2720 mm | 2720 mm |
| Fuel Tank Capacity | 65 L | 60 L |
