2003 Opel Signum vs. 2012 Nissan Altima
To start off, 2012 Nissan Altima is newer by 9 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 2,958 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, both vehicles can yield 175 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 177 kg more than 2012 Nissan Altima.
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 Signum (370 Nm @ 1900 RPM) has 126 more torque (in Nm) than 2012 Nissan Altima. (244 Nm @ 3900 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2012 Nissan Altima.
Compare all specifications:
| 2003 Opel Signum | 2012 Nissan Altima | |
| Make | Opel | Nissan |
| Model | Signum | Altima |
| Year Released | 2003 | 2012 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 2500 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 175 HP |
| Engine RPM | 5500 RPM | 5600 RPM |
| Torque | 370 Nm | 244 Nm |
| Torque RPM | 1900 RPM | 3900 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1575 kg | 1398 kg |
| Vehicle Length | 4640 mm | 4595 mm |
| Vehicle Width | 1800 mm | 1796 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2840 mm | 2675 mm |
