2003 Opel Signum vs. 2011 Nissan Altima
To start off, 2011 Nissan Altima is newer by 8 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 3,173 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (208 HP @ 6200 RPM) has 33 more horse power than 2011 Nissan Altima. (175 HP @ 5600 RPM). In normal driving conditions, 2003 Opel Signum should accelerate faster than 2011 Nissan Altima. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 212 kg more than 2011 Nissan Altima. 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, 2003 Opel Signum (300 Nm @ 4000 RPM) has 56 more torque (in Nm) than 2011 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 2011 Nissan Altima.
Compare all specifications:
| 2003 Opel Signum | 2011 Nissan Altima | |
| Make | Opel | Nissan |
| Model | Signum | Altima |
| Year Released | 2003 | 2011 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3173 cc | 2500 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 208 HP | 175 HP |
| Engine RPM | 6200 RPM | 5600 RPM |
| Torque | 300 Nm | 244 Nm |
| Torque RPM | 4000 RPM | 3900 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | CVT |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1610 kg | 1398 kg |
| Vehicle Length | 4640 mm | 4595 mm |
| Vehicle Width | 1800 mm | 1796 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2740 mm | 2675 mm |
| Fuel Tank Capacity | 52 L | 76 L |
