2009 Chevrolet Cobalt vs. 2003 Opel Vectra
To start off, 2009 Chevrolet Cobalt is newer by 6 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 2,957 cc (6 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2009 Chevrolet Cobalt (260 HP @ 5300 RPM) has 87 more horse power than 2003 Opel Vectra. (173 HP @ 4000 RPM). In normal driving conditions, 2009 Chevrolet Cobalt should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 344 kg more than 2009 Chevrolet Cobalt.
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 (370 Nm @ 1900 RPM) has 17 more torque (in Nm) than 2009 Chevrolet Cobalt. (353 Nm @ 2000 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2009 Chevrolet Cobalt.
Compare all specifications:
| 2009 Chevrolet Cobalt | 2003 Opel Vectra | |
| Make | Chevrolet | Opel |
| Model | Cobalt | Vectra |
| Year Released | 2009 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1999 cc | 2957 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 260 HP | 173 HP |
| Engine RPM | 5300 RPM | 4000 RPM |
| Torque | 353 Nm | 370 Nm |
| Torque RPM | 2000 RPM | 1900 RPM |
| Engine Bore Size | 87.6 mm | 87.5 mm |
| Engine Stroke Size | 86 mm | 82 mm |
| Engine Compression Ratio | 9.3:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1261 kg | 1605 kg |
| Vehicle Length | 4590 mm | 4600 mm |
| Vehicle Width | 1730 mm | 1770 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2630 mm | 2740 mm |
| Fuel Consumption Overall | 9.4 L/100km | 7 L/100km |
| Fuel Tank Capacity | 49 L | 60 L |
