2005 Chevrolet Cobalt vs. 2003 Opel Vectra
To start off, 2005 Chevrolet Cobalt 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 2,198 cc (4 cylinders), 2005 Chevrolet Cobalt is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (173 HP @ 5500 RPM) has 33 more horse power than 2005 Chevrolet Cobalt. (140 HP @ 5600 RPM) In normal driving conditions, 2003 Opel Vectra should accelerate faster than 2005 Chevrolet Cobalt. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 15 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, 2003 Opel Vectra (270 Nm) has 67 more torque (in Nm) than 2005 Chevrolet Cobalt. (203 Nm). This means 2003 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 | 2003 Opel Vectra | |
| Make | Chevrolet | Opel |
| Model | Cobalt | Vectra |
| Year Released | 2005 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2198 cc | 1994 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 140 HP | 173 HP |
| Engine RPM | 5600 RPM | 5500 RPM |
| Torque | 203 Nm | 270 Nm |
| Engine Bore Size | 86.1 mm | 86 mm |
| Engine Stroke Size | 94 mm | 86 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 | 4 doors |
| Vehicle Weight | 1495 kg | 1510 kg |
| Vehicle Length | 4590 mm | 4600 mm |
| Vehicle Width | 1730 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2720 mm | 2840 mm |
| Fuel Consumption Highway | 6.9 L/100km | 6.6 L/100km |
| Fuel Consumption City | 9.4 L/100km | 12.8 L/100km |
| Fuel Consumption Overall | 8.4 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 49 L | 61 L |
