2005 Kia Optima vs. 2002 Opel Vectra
To start off, 2005 Kia Optima is newer by 3 year(s). Which means there will be less support and parts availability for 2002 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2002 Opel Vectra would be higher. At 2,670 cc (6 cylinders), 2005 Kia Optima is equipped with a bigger engine. In terms of performance, 2005 Kia Optima (170 HP @ 4000 RPM) has 47 more horse power than 2002 Opel Vectra. (123 HP @ 6000 RPM). In normal driving conditions, 2005 Kia Optima should accelerate faster than 2002 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2002 Opel Vectra weights approximately 16 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, 2005 Kia Optima (245 Nm) has 74 more torque (in Nm) than 2002 Opel Vectra. (171 Nm). This means 2005 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2002 Opel Vectra.
Compare all specifications:
| 2005 Kia Optima | 2002 Opel Vectra | |
| Make | Kia | Opel |
| Model | Optima | Vectra |
| Year Released | 2005 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 2670 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 170 HP | 123 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 245 Nm | 171 Nm |
| Engine Bore Size | 87 mm | 80.5 mm |
| Engine Stroke Size | 75 mm | 88.2 mm |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1487 kg | 1503 kg |
| Vehicle Length | 4730 mm | 4600 mm |
| Vehicle Width | 1820 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2640 mm | 2710 mm |
| Fuel Consumption Highway | 8.7 L/100km | 7.6 L/100km |
| Fuel Consumption City | 11.8 L/100km | 14.3 L/100km |
| Fuel Consumption Overall | 10.2 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 65 L | 61 L |
