2004 Honda Accord vs. 2006 Kia Optima
To start off, 2006 Kia Optima is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Honda Accord. In addition, the cost of maintenance, including insurance, on 2004 Honda Accord would be higher. At 2,671 cc (6 cylinders), 2006 Kia Optima is equipped with a bigger engine. In terms of performance, 2006 Kia Optima (170 HP @ 6000 RPM) has 31 more horse power than 2004 Honda Accord. (139 HP @ 4000 RPM) In normal driving conditions, 2006 Kia Optima should accelerate faster than 2004 Honda Accord. With that said, vehicle weight also plays an important factor in acceleration. 2004 Honda Accord weights approximately 158 kg more than 2006 Kia Optima.
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, 2004 Honda Accord (340 Nm @ 2000 RPM) has 95 more torque (in Nm) than 2006 Kia Optima. (245 Nm @ 4000 RPM). This means 2004 Honda Accord will have an easier job in driving up hills or pulling heavy equipment than 2006 Kia Optima.
Compare all specifications:
| 2004 Honda Accord | 2006 Kia Optima | |
| Make | Honda | Kia |
| Model | Accord | Optima |
| Year Released | 2004 | 2006 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2204 cc | 2671 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 139 HP | 170 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 340 Nm | 245 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 85 mm | 86.8 mm |
| Engine Stroke Size | 97.1 mm | 75 mm |
| Engine Compression Ratio | 16.7:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1645 kg | 1487 kg |
| Vehicle Length | 4760 mm | 4730 mm |
| Vehicle Width | 1770 mm | 1820 mm |
| Vehicle Height | 1480 mm | 1420 mm |
| Wheelbase Size | 2460 mm | 2710 mm |
| Fuel Consumption Overall | 5.8 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 65 L | 65 L |
