2004 Nissan Altima vs. 2003 Opel Signum
To start off, 2004 Nissan Altima is newer by 1 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 2,505 cc (4 cylinders), 2004 Nissan Altima is equipped with a bigger engine. In terms of performance, 2004 Nissan Altima (175 HP @ 3600 RPM) has 50 more horse power than 2003 Opel Signum. (125 HP @ 6000 RPM). In normal driving conditions, 2004 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 24 kg more than 2004 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, 2004 Nissan Altima (244 Nm) has 77 more torque (in Nm) than 2003 Opel Signum. (167 Nm). This means 2004 Nissan Altima will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum.
Compare all specifications:
| 2004 Nissan Altima | 2003 Opel Signum | |
| Make | Nissan | Opel |
| Model | Altima | Signum |
| Year Released | 2004 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2505 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 125 HP |
| Engine RPM | 3600 RPM | 6000 RPM |
| Torque | 244 Nm | 167 Nm |
| Engine Bore Size | 89 mm | 80.6 mm |
| Engine Stroke Size | 100 mm | 88.2 mm |
| Engine Compression Ratio | 9.5:1 | 10.5:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1361 kg | 1385 kg |
| Vehicle Length | 4870 mm | 4640 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1480 mm | 1470 mm |
| Wheelbase Size | 2830 mm | 2500 mm |
| Fuel Consumption Highway | 7.8 L/100km | 6.1 L/100km |
| Fuel Consumption City | 10.2 L/100km | 11.1 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 76 L | 58 L |
