2005 Hyundai Sonata vs. 2003 Opel Signum
To start off, 2005 Hyundai Sonata is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 2,958 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (174 HP @ 4000 RPM) has 4 more horse power than 2005 Hyundai Sonata. (170 HP @ 5800 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 2005 Hyundai Sonata. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 219 kg more than 2005 Hyundai Sonata. 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, 2003 Opel Signum (370 Nm) has 125 more torque (in Nm) than 2005 Hyundai Sonata. (245 Nm). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Hyundai Sonata.
Compare all specifications:
| 2005 Hyundai Sonata | 2003 Opel Signum | |
| Make | Hyundai | Opel |
| Model | Sonata | Signum |
| Year Released | 2005 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2655 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 170 HP | 174 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 245 Nm | 370 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 | 1476 kg | 1695 kg |
| Vehicle Length | 4750 mm | 4640 mm |
| Vehicle Width | 1830 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2710 mm |
| Fuel Consumption Highway | 8.7 L/100km | 6 L/100km |
| Fuel Consumption City | 12.4 L/100km | 11.2 L/100km |
| Fuel Consumption Overall | 10.7 L/100km | 7.9 L/100km |
| Fuel Tank Capacity | 65 L | 60 L |
