2005 Kia Optima vs. 2005 Opel Signum
To start off, both 2005 Kia Optima and 2005 Opel Signum were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,360 cc (4 cylinders), 2005 Kia Optima is equipped with a bigger engine. In terms of performance, 2005 Kia Optima (138 HP @ 4000 RPM) has 39 more horse power than 2005 Opel Signum. (99 HP @ 3120 RPM). In normal driving conditions, 2005 Kia Optima should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 98 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 Opel Signum (230 Nm) has 31 more torque (in Nm) than 2005 Kia Optima. (199 Nm). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
| 2005 Kia Optima | 2005 Opel Signum | |
| Make | Kia | Opel |
| Model | Optima | Signum |
| Year Released | 2005 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2360 cc | 1993 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 99 HP |
| Engine RPM | 4000 RPM | 3120 RPM |
| Torque | 199 Nm | 230 Nm |
| Engine Bore Size | 87.1 mm | 84 mm |
| Engine Stroke Size | 100 mm | 90 mm |
| 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 | 5 doors |
| Vehicle Weight | 1497 kg | 1595 kg |
| Vehicle Length | 4730 mm | 4640 mm |
| Vehicle Width | 1820 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2620 mm | 2740 mm |
| Fuel Consumption Overall | 9.4 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 65 L | 60 L |
