2005 Kia Optima vs. 2001 Opel Signum
To start off, 2005 Kia Optima is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Opel Signum. In addition, the cost of maintenance, including insurance, on 2001 Opel Signum would be higher. At 2,671 cc (6 cylinders), 2005 Kia Optima is equipped with a bigger engine. In terms of performance, 2005 Kia Optima (170 HP @ 4000 RPM) has 45 more horse power than 2001 Opel Signum. (125 HP @ 3250 RPM). In normal driving conditions, 2005 Kia Optima should accelerate faster than 2001 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Signum weights approximately 123 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, 2001 Opel Signum (280 Nm) has 39 more torque (in Nm) than 2005 Kia Optima. (241 Nm). This means 2001 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 | 2001 Opel Signum | |
| Make | Kia | Opel |
| Model | Optima | Signum |
| Year Released | 2005 | 2001 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 170 HP | 125 HP |
| Engine RPM | 4000 RPM | 3250 RPM |
| Torque | 241 Nm | 280 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 | 5 doors |
| Vehicle Weight | 1487 kg | 1610 kg |
| Vehicle Length | 4730 mm | 4640 mm |
| Vehicle Width | 1820 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2840 mm |
| Fuel Consumption Overall | 10.4 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 65 L | 60 L |
