2006 Chevrolet Cobalt vs. 2001 Opel Signum
To start off, 2006 Chevrolet Cobalt is newer by 5 year(s). Which means there will be less support and parts availability for 2001 Opel Signum. In addition, the cost of maintenance, including insurance, on 2001 Opel Signum would be higher. At 2,958 cc (6 cylinders), 2001 Opel Signum is equipped with a bigger engine. In terms of performance, 2001 Opel Signum (175 HP @ 4000 RPM) has 32 more horse power than 2006 Chevrolet Cobalt. (143 HP @ 5600 RPM) In normal driving conditions, 2001 Opel Signum should accelerate faster than 2006 Chevrolet Cobalt. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Signum weights approximately 404 kg more than 2006 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, 2001 Opel Signum (370 Nm @ 1900 RPM) has 160 more torque (in Nm) than 2006 Chevrolet Cobalt. (210 Nm @ 4000 RPM). This means 2001 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2006 Chevrolet Cobalt.
Compare all specifications:
| 2006 Chevrolet Cobalt | 2001 Opel Signum | |
| Make | Chevrolet | Opel |
| Model | Cobalt | Signum |
| Year Released | 2006 | 2001 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2189 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 143 HP | 175 HP |
| Engine RPM | 5600 RPM | 4000 RPM |
| Torque | 210 Nm | 370 Nm |
| Torque RPM | 4000 RPM | 1900 RPM |
| Engine Bore Size | 86.1 mm | 87.5 mm |
| Engine Stroke Size | 94.5 mm | 82 mm |
| Engine Compression Ratio | 10.0:1 | 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 | 4 doors | 5 doors |
| Vehicle Weight | 1266 kg | 1670 kg |
| Vehicle Length | 4590 mm | 4640 mm |
| Vehicle Width | 1730 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2630 mm | 2710 mm |
| Fuel Tank Capacity | 117 L | 60 L |
