2005 Chevrolet Alero vs. 2004 Opel Signum
To start off, 2005 Chevrolet Alero is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Opel Signum. In addition, the cost of maintenance, including insurance, on 2004 Opel Signum would be higher. At 2,392 cc (4 cylinders), 2005 Chevrolet Alero is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (173 HP @ 5500 RPM) has 33 more horse power than 2005 Chevrolet Alero. (140 HP @ 5800 RPM) In normal driving conditions, 2004 Opel Signum should accelerate faster than 2005 Chevrolet Alero. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 190 kg more than 2005 Chevrolet Alero. 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, 2004 Opel Signum (265 Nm @ 2500 RPM) has 66 more torque (in Nm) than 2005 Chevrolet Alero. (199 Nm @ 4200 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Chevrolet Alero.
Compare all specifications:
| 2005 Chevrolet Alero | 2004 Opel Signum | |
| Make | Chevrolet | Opel |
| Model | Alero | Signum |
| Year Released | 2005 | 2004 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2392 cc | 1995 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 | 5800 RPM | 5500 RPM |
| Torque | 199 Nm | 265 Nm |
| Torque RPM | 4200 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1370 kg | 1560 kg |
| Vehicle Length | 4750 mm | 4640 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1410 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2840 mm |
