1999 Kia Potentia vs. 2007 Opel Signum
To start off, 2007 Opel Signum is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Kia Potentia. In addition, the cost of maintenance, including insurance, on 1999 Kia Potentia would be higher. 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 37 more horse power than 1999 Kia Potentia. (138 HP @ 6000 RPM) In normal driving conditions, 2007 Opel Signum should accelerate faster than 1999 Kia Potentia. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 200 kg more than 1999 Kia Potentia. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Kia Potentia is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1999 Kia Potentia. However, in wet, icy, snow, or gravel driving conditions, 2007 Opel Signum, being front wheel drive (FWD), will offer much better control with better grip. 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 189 more torque (in Nm) than 1999 Kia Potentia. (181 Nm @ 4000 RPM). This means 2007 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1999 Kia Potentia. 2007 Opel Signum has automatic transmission and 1999 Kia Potentia has manual transmission. 1999 Kia Potentia will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Kia Potentia | 2007 Opel Signum | |
| Make | Kia | Opel |
| Model | Potentia | Signum |
| Year Released | 1999 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 175 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 181 Nm | 370 Nm |
| Torque RPM | 4000 RPM | 1900 RPM |
| Engine Bore Size | 85.1 mm | 87.5 mm |
| Engine Stroke Size | 87.9 mm | 82 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1470 kg | 1670 kg |
| Vehicle Length | 4960 mm | 4640 mm |
| Vehicle Width | 1730 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2720 mm | 2840 mm |
