2008 Opel Signum vs. 2010 Opel Antara
To start off, 2010 Opel Antara is newer by 2 year(s). Which means there will be less support and parts availability for 2008 Opel Signum. In addition, the cost of maintenance, including insurance, on 2008 Opel Signum would be higher. At 1,998 cc (4 cylinders), 2008 Opel Signum is equipped with a bigger engine. In terms of performance, 2008 Opel Signum (173 HP @ 5500 RPM) has 25 more horse power than 2010 Opel Antara. (148 HP @ 4000 RPM). In normal driving conditions, 2008 Opel Signum should accelerate faster than 2010 Opel Antara. With that said, vehicle weight also plays an important factor in acceleration. 2010 Opel Antara weights approximately 295 kg more than 2008 Opel Signum.
Because 2010 Opel Antara is four wheel drive (4WD), it will have significant more traction and grip than 2008 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2010 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, 2010 Opel Antara (320 Nm @ 2000 RPM) has 55 more torque (in Nm) than 2008 Opel Signum. (265 Nm @ 2500 RPM). This means 2010 Opel Antara will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Signum.
Compare all specifications:
| 2008 Opel Signum | 2010 Opel Antara | |
| Make | Opel | Opel |
| Model | Signum | Antara |
| Year Released | 2008 | 2010 |
| Body Type | Hatchback | SUV |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1990 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 148 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 265 Nm | 320 Nm |
| Torque RPM | 2500 RPM | 2000 RPM |
| Engine Bore Size | 86 mm | 83 mm |
| Engine Stroke Size | 86 mm | 92 mm |
| Engine Compression Ratio | 9.5:1 | 17.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 220 km/hour | 180 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 10.3 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1560 kg | 1855 kg |
| Vehicle Length | 4640 mm | 4580 mm |
| Vehicle Width | 1800 mm | 1860 mm |
| Vehicle Height | 1470 mm | 1710 mm |
| Wheelbase Size | 2840 mm | 2710 mm |
| Fuel Consumption Overall | 9.2 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 60 L | 65 L |
