2004 Opel Signum vs. 2008 Opel Antara
To start off, 2008 Opel Antara is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Opel Signum. In addition, the cost of maintenance, including insurance, on 2004 Opel Signum would be higher. At 2,404 cc (4 cylinders), 2008 Opel Antara is equipped with a bigger engine. In terms of performance, 2008 Opel Antara (138 HP @ 5200 RPM) has 13 more horse power than 2004 Opel Signum. (125 HP @ 5600 RPM) In normal driving conditions, 2008 Opel Antara should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Antara weights approximately 425 kg more than 2004 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Opel Antara is four wheel drive (4WD), it will have significant more traction and grip than 2004 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2008 Opel Antara will offer significantly more control. 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, 2008 Opel Antara (220 Nm @ 2400 RPM) has 50 more torque (in Nm) than 2004 Opel Signum. (170 Nm @ 3800 RPM). This means 2008 Opel Antara will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum.
Compare all specifications:
| 2004 Opel Signum | 2008 Opel Antara | |
| Make | Opel | Opel |
| Model | Signum | Antara |
| Year Released | 2004 | 2008 |
| Body Type | Hatchback | SUV |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 2404 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 125 HP | 138 HP |
| Engine RPM | 5600 RPM | 5200 RPM |
| Torque | 170 Nm | 220 Nm |
| Torque RPM | 3800 RPM | 2400 RPM |
| Engine Bore Size | 80.5 mm | 87.5 mm |
| Engine Stroke Size | 88.2 mm | 100 mm |
| Engine Compression Ratio | 10.5:1 | 9.6:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 197 km/hour | 175 km/hour |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1380 kg | 1805 kg |
| Vehicle Length | 4640 mm | 4580 mm |
| Vehicle Width | 1800 mm | 1860 mm |
| Vehicle Height | 1470 mm | 1710 mm |
| Wheelbase Size | 2700 mm | 2710 mm |
| Fuel Consumption Overall | 7.5 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 58 L | 65 L |
