2003 Saab 03-Sep vs. 2004 Opel Signum
To start off, 2004 Opel Signum is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Saab 03-Sep. In addition, the cost of maintenance, including insurance, on 2003 Saab 03-Sep would be higher. At 3,175 cc (6 cylinders), 2004 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Saab 03-Sep (250 HP @ 5500 RPM) has 42 more horse power than 2004 Opel Signum. (208 HP @ 6200 RPM). In normal driving conditions, 2003 Saab 03-Sep should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Saab 03-Sep weights approximately 70 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.
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 Saab 03-Sep (370 Nm @ 2700 RPM) has 70 more torque (in Nm) than 2004 Opel Signum. (300 Nm @ 4000 RPM). This means 2003 Saab 03-Sep will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum. 2004 Opel Signum has automatic transmission and 2003 Saab 03-Sep has manual transmission. 2003 Saab 03-Sep will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Saab 03-Sep | 2004 Opel Signum | |
| Make | Saab | Opel |
| Model | 03-Sep | Signum |
| Year Released | 2003 | 2004 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 3175 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 250 HP | 208 HP |
| Engine RPM | 5500 RPM | 6200 RPM |
| Torque | 370 Nm | 300 Nm |
| Torque RPM | 2700 RPM | 4000 RPM |
| Engine Bore Size | 86 mm | 87.5 mm |
| Engine Stroke Size | 86 mm | 88 mm |
| Engine Compression Ratio | 9.5:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 237 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1665 kg | 1595 kg |
| Vehicle Length | 4640 mm | 4640 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2610 mm | 2740 mm |
| Fuel Consumption Overall | 9.1 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 61 L | 52 L |
