2008 Opel Antara vs. 2003 Opel Signum
To start off, 2008 Opel Antara is newer by 5 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 2,404 cc (4 cylinders), 2008 Opel Antara is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (152 HP @ 5600 RPM) has 14 more horse power than 2008 Opel Antara. (138 HP @ 5200 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 2008 Opel Antara. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Antara weights approximately 240 kg more than 2003 Opel Signum.
Because 2008 Opel Antara is four wheel drive (4WD), it will have significant more traction and grip than 2003 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, both vehicles can yield 220 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles. 2003 Opel Signum has automatic transmission and 2008 Opel Antara has manual transmission. 2008 Opel Antara will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Opel Antara | 2003 Opel Signum | |
| Make | Opel | Opel |
| Model | Antara | Signum |
| Year Released | 2008 | 2003 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2404 cc | 2171 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 152 HP |
| Engine RPM | 5200 RPM | 5600 RPM |
| Torque | 220 Nm | 220 Nm |
| Torque RPM | 2400 RPM | 3800 RPM |
| Engine Bore Size | 87.5 mm | 86 mm |
| Engine Stroke Size | 100 mm | 94.6 mm |
| Engine Compression Ratio | 9.6:1 | 12.0:1 |
| Top Speed | 175 km/hour | 206 km/hour |
| Acceleration 0-100mph | 11.9 seconds | 11 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1805 kg | 1565 kg |
| Vehicle Length | 4580 mm | 4640 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1710 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2840 mm |
| Fuel Consumption Overall | 9.6 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 65 L | 60 L |
