2005 Kia Optima vs. 2004 Opel Vectra
To start off, 2005 Kia Optima is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2004 Opel Vectra would be higher. At 2,958 cc (6 cylinders), 2004 Opel Vectra is equipped with a bigger engine. In terms of performance, 2005 Kia Optima (170 HP @ 4000 RPM) has 22 more horse power than 2004 Opel Vectra. (148 HP @ 4000 RPM). In normal driving conditions, 2005 Kia Optima should accelerate faster than 2004 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Vectra weights approximately 151 kg more than 2005 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 Opel Vectra (370 Nm) has 129 more torque (in Nm) than 2005 Kia Optima. (241 Nm). This means 2004 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
| 2005 Kia Optima | 2004 Opel Vectra | |
| Make | Kia | Opel |
| Model | Optima | Vectra |
| Year Released | 2005 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 170 HP | 148 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 241 Nm | 370 Nm |
| Engine Compression Ratio | 10.0:1 | 18.5:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1487 kg | 1638 kg |
| Vehicle Length | 4730 mm | 4600 mm |
| Vehicle Width | 1820 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2840 mm |
| Fuel Consumption Highway | 8.9 L/100km | 5.5 L/100km |
| Fuel Consumption City | 11.9 L/100km | 10.7 L/100km |
| Fuel Consumption Overall | 10.4 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 65 L | 61 L |
