2004 Kia Optima vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Kia Optima. In addition, the cost of maintenance, including insurance, on 2004 Kia Optima would be higher. At 2,360 cc (4 cylinders), 2004 Kia Optima is equipped with a bigger engine. In terms of performance, 2004 Kia Optima (137 HP @ 4000 RPM) has 23 more horse power than 2005 Opel Astra. (114 HP @ 5400 RPM). In normal driving conditions, 2004 Kia Optima should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Kia Optima weights approximately 303 kg more than 2005 Opel Astra. 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 Kia Optima (199 Nm) has 26 more torque (in Nm) than 2005 Opel Astra. (173 Nm). This means 2004 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2004 Kia Optima | 2005 Opel Astra | |
| Make | Kia | Opel |
| Model | Optima | Astra |
| Year Released | 2004 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2360 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 137 HP | 114 HP |
| Engine RPM | 4000 RPM | 5400 RPM |
| Torque | 199 Nm | 173 Nm |
| Engine Bore Size | 87.1 mm | 80.6 mm |
| Engine Stroke Size | 100 mm | 88.2 mm |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1488 kg | 1185 kg |
| Vehicle Length | 4730 mm | 4260 mm |
| Vehicle Width | 1820 mm | 1720 mm |
| Vehicle Height | 1420 mm | 1400 mm |
| Wheelbase Size | 2710 mm | 2610 mm |
| Fuel Tank Capacity | 65 L | 52 L |
