2007 Kia Optima vs. 2007 Opel Signum
To start off, both 2007 Kia Optima and 2007 Opel Signum were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,958 cc (6 cylinders), 2007 Opel Signum is equipped with a bigger engine. In terms of performance, 2007 Opel Signum (175 HP @ 4000 RPM) has 13 more horse power than 2007 Kia Optima. (162 HP @ 5800 RPM) In normal driving conditions, 2007 Opel Signum should accelerate faster than 2007 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, 2007 Opel Signum (370 Nm @ 1900 RPM) has 148 more torque (in Nm) than 2007 Kia Optima. (222 Nm @ 4250 RPM). This means 2007 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2007 Kia Optima.
Compare all specifications:
| 2007 Kia Optima | 2007 Opel Signum | |
| Make | Kia | Opel |
| Model | Optima | Signum |
| Year Released | 2007 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2359 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 162 HP | 175 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 222 Nm | 370 Nm |
| Torque RPM | 4250 RPM | 1900 RPM |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4740 mm | 4640 mm |
| Vehicle Width | 1810 mm | 1800 mm |
| Vehicle Height | 1490 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2840 mm |
| Fuel Consumption Overall | 8.4 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 62 L | 60 L |
