2008 Nissan Altima vs. 2003 Opel Signum
To start off, 2008 Nissan Altima is newer by 5 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 2,491 cc (4 cylinders), 2008 Nissan Altima is equipped with a bigger engine. In terms of performance, 2008 Nissan Altima (175 HP @ 5600 RPM) has 23 more horse power than 2003 Opel Signum. (152 HP @ 5600 RPM). In normal driving conditions, 2008 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 25 kg more than 2008 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, 2008 Nissan Altima (244 Nm @ 3900 RPM) has 24 more torque (in Nm) than 2003 Opel Signum. (220 Nm @ 3800 RPM). This means 2008 Nissan Altima will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum. 2003 Opel Signum has automatic transmission and 2008 Nissan Altima has manual transmission. 2008 Nissan Altima will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Nissan Altima | 2003 Opel Signum | |
| Make | Nissan | Opel |
| Model | Altima | Signum |
| Year Released | 2008 | 2003 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2491 cc | 2171 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 152 HP |
| Engine RPM | 5600 RPM | 5600 RPM |
| Torque | 244 Nm | 220 Nm |
| Torque RPM | 3900 RPM | 3800 RPM |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1540 kg | 1565 kg |
| Vehicle Length | 4830 mm | 4640 mm |
| Vehicle Width | 1800 mm | 1800 mm |
| Vehicle Height | 1480 mm | 1470 mm |
| Wheelbase Size | 2780 mm | 2840 mm |
| Fuel Consumption Highway | 7.5 L/100km | 7.2 L/100km |
| Fuel Consumption City | 10.4 L/100km | 12.4 L/100km |
| Fuel Consumption Overall | 9.2 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 76 L | 60 L |
