2009 Chevrolet Cobalt vs. 2003 Opel Signum
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 Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 2,198 cc (4 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2009 Chevrolet Cobalt (261 HP @ 5300 RPM) has 117 more horse power than 2003 Opel Signum. (144 HP @ 6000 RPM). In normal driving conditions, 2009 Chevrolet Cobalt should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 425 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, 2009 Chevrolet Cobalt (353 Nm @ 2000 RPM) has 113 more torque (in Nm) than 2003 Opel Signum. (240 Nm @ 3800 RPM). This means 2009 Chevrolet Cobalt will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum.
Compare all specifications:
| 2009 Chevrolet Cobalt | 2003 Opel Signum | |
| Make | Chevrolet | Opel |
| Model | Cobalt | Signum |
| Year Released | 2009 | 2003 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1999 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 261 HP | 144 HP |
| Engine RPM | 5300 RPM | 6000 RPM |
| Torque | 353 Nm | 240 Nm |
| Torque RPM | 2000 RPM | 3800 RPM |
| Engine Compression Ratio | 9.1:1 | 12.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1261 kg | 1686 kg |
| Vehicle Length | 4590 mm | 4640 mm |
| Vehicle Width | 1730 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2630 mm | 2640 mm |
| Fuel Consumption Highway | 7.8 L/100km | 7.2 L/100km |
| Fuel Consumption City | 10.7 L/100km | 12.4 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 5.2 L/100km |
| Fuel Tank Capacity | 49 L | 58 L |
