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 3,500 cc (6 cylinders), 2011 Nissan Altima is equipped with a bigger engine. In terms of performance, 2011 Nissan Altima (270 HP @ 6000 RPM) has 150 more horse power than 2003 Opel Signum. (120 HP @ 6000 RPM) In normal driving conditions, 2011 Nissan Altima should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 23 kg more than 2011 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, 2011 Nissan Altima (349 Nm @ 4400 RPM) has 183 more torque (in Nm) than 2003 Opel Signum. (166 Nm @ 3800 RPM). This means 2011 Nissan Altima will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum.
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 | 1796 cc | 3500 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 120 HP | 270 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 166 Nm | 349 Nm |
| Torque RPM | 3800 RPM | 4400 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 | 1535 kg | 1512 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 |
| Fuel Consumption | 6.3 L/100km | 8.7 L/100km |
| Fuel Consumption City | 11.3 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 60 L | 76 L |
