2005 Chevrolet Cobalt vs. 2007 Opel Vectra
To start off, 2007 Opel Vectra is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Chevrolet Cobalt. In addition, the cost of maintenance, including insurance, on 2005 Chevrolet Cobalt would be higher. At 2,792 cc (6 cylinders), 2007 Opel Vectra is equipped with a bigger engine. In terms of performance, 2007 Opel Vectra (276 HP @ 5500 RPM) has 131 more horse power than 2005 Chevrolet Cobalt. (145 HP @ 5600 RPM) In normal driving conditions, 2007 Opel Vectra should accelerate faster than 2005 Chevrolet Cobalt. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Vectra weights approximately 121 kg more than 2005 Chevrolet Cobalt. 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, 2007 Opel Vectra (355 Nm) has 152 more torque (in Nm) than 2005 Chevrolet Cobalt. (203 Nm). This means 2007 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2005 Chevrolet Cobalt.
Compare all specifications:
| 2005 Chevrolet Cobalt | 2007 Opel Vectra | |
| Make | Chevrolet | Opel |
| Model | Cobalt | Vectra |
| Year Released | 2005 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2196 cc | 2792 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 145 HP | 276 HP |
| Engine RPM | 5600 RPM | 5500 RPM |
| Torque | 203 Nm | 355 Nm |
| Engine Bore Size | 86 mm | 89 mm |
| Engine Stroke Size | 94 mm | 74.8 mm |
| Engine Compression Ratio | 10.0:1 | 9.5:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1459 kg | 1580 kg |
| Vehicle Length | 4590 mm | 4620 mm |
| Vehicle Width | 1730 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1460 mm |
| Wheelbase Size | 2690 mm | 2710 mm |
| Fuel Consumption Overall | 8.9 L/100km | 10.4 L/100km |
| Fuel Tank Capacity | 49 L | 61 L |
