2003 Opel Vectra vs. 2005 Saab 05-Sep
To start off, 2005 Saab 05-Sep is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra would be higher. At 1,985 cc (4 cylinders), 2005 Saab 05-Sep is equipped with a bigger engine. In terms of performance, 2005 Saab 05-Sep (148 HP @ 5500 RPM) has 25 more horse power than 2003 Opel Vectra. (123 HP @ 5600 RPM) In normal driving conditions, 2005 Saab 05-Sep should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Saab 05-Sep weights approximately 205 kg more than 2003 Opel Vectra. 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, 2005 Saab 05-Sep (240 Nm @ 1800 RPM) has 78 more torque (in Nm) than 2003 Opel Vectra. (162 Nm @ 3800 RPM). This means 2005 Saab 05-Sep will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2003 Opel Vectra | 2005 Saab 05-Sep | |
| Make | Opel | Saab |
| Model | Vectra | 05-Sep |
| Year Released | 2003 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1794 cc | 1985 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 148 HP |
| Engine RPM | 5600 RPM | 5500 RPM |
| Torque | 162 Nm | 240 Nm |
| Torque RPM | 3800 RPM | 1800 RPM |
| Engine Bore Size | 80.5 mm | 90 mm |
| Engine Stroke Size | 88.2 mm | 78 mm |
| Engine Compression Ratio | 10.5:1 | 8.8:1 |
| Top Speed | 192 km/hour | 215 km/hour |
| Acceleration 0-100mph | 12.5 seconds | 9.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1390 kg | 1595 kg |
| Vehicle Length | 4500 mm | 4830 mm |
| Vehicle Width | 1710 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2710 mm | 2710 mm |
| Fuel Tank Capacity | 60 L | 75 L |
