2004 Chevrolet Impala vs. 2006 Kia Opirus
To start off, 2006 Kia Opirus is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Chevrolet Impala. In addition, the cost of maintenance, including insurance, on 2004 Chevrolet Impala would be higher. At 3,786 cc (6 cylinders), 2004 Chevrolet Impala is equipped with a bigger engine. In terms of performance, 2006 Kia Opirus (201 HP @ 5500 RPM) has 1 more horse power than 2004 Chevrolet Impala. (200 HP @ 5600 RPM) In normal driving conditions, 2006 Kia Opirus should accelerate faster than 2004 Chevrolet Impala. With that said, vehicle weight also plays an important factor in acceleration. 2006 Kia Opirus weights approximately 357 kg more than 2004 Chevrolet Impala. 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, 2004 Chevrolet Impala (305 Nm) has 7 more torque (in Nm) than 2006 Kia Opirus. (298 Nm). This means 2004 Chevrolet Impala will have an easier job in driving up hills or pulling heavy equipment than 2006 Kia Opirus.
Compare all specifications:
| 2004 Chevrolet Impala | 2006 Kia Opirus | |
| Make | Chevrolet | Kia |
| Model | Impala | Opirus |
| Year Released | 2004 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3786 cc | 3497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 200 HP | 201 HP |
| Engine RPM | 5600 RPM | 5500 RPM |
| Torque | 305 Nm | 298 Nm |
| Engine Bore Size | 97.1 mm | 93 mm |
| Engine Stroke Size | 86 mm | 85.8 mm |
| Engine Compression Ratio | 9.4:1 | 10.0:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1897 kg |
| Vehicle Length | 5090 mm | 4990 mm |
| Vehicle Width | 1860 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1490 mm |
| Wheelbase Size | 2880 mm | 2810 mm |
| Fuel Consumption Overall | 9.8 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 64 L | 70 L |
