2007 Opel Astra vs. 2001 Opel Signum
To start off, 2007 Opel Astra is newer by 6 year(s). Which means there will be less support and parts availability for 2001 Opel Signum. In addition, the cost of maintenance, including insurance, on 2001 Opel Signum would be higher. At 3,173 cc (6 cylinders), 2001 Opel Signum is equipped with a bigger engine. In terms of performance, 2001 Opel Signum (208 HP @ 6200 RPM) has 69 more horse power than 2007 Opel Astra. (139 HP @ 6300 RPM) In normal driving conditions, 2001 Opel Signum should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Signum weights approximately 95 kg more than 2007 Opel Astra. 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, 2001 Opel Signum (300 Nm @ 4000 RPM) has 125 more torque (in Nm) than 2007 Opel Astra. (175 Nm @ 3800 RPM). This means 2001 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra.
Compare all specifications:
| 2007 Opel Astra | 2001 Opel Signum | |
| Make | Opel | Opel |
| Model | Astra | Signum |
| Year Released | 2007 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 1795 cc | 3173 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 139 HP | 208 HP |
| Engine RPM | 6300 RPM | 6200 RPM |
| Torque | 175 Nm | 300 Nm |
| Torque RPM | 3800 RPM | 4000 RPM |
| Engine Bore Size | 80.5 mm | 87.5 mm |
| Engine Stroke Size | 88.2 mm | 88 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 209 km/hour | 237 km/hour |
| Drive Type | Front | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1515 kg | 1610 kg |
| Vehicle Length | 4480 mm | 4640 mm |
| Vehicle Width | 2030 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2620 mm | 2640 mm |
| Fuel Consumption Overall | 7.7 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 52 L | 52 L |
