2004 Opel Signum vs. 2013 Infiniti FX
To start off, 2013 Infiniti FX is newer by 9 year(s). Which means there will be less support and parts availability for 2004 Opel Signum. In addition, the cost of maintenance, including insurance, on 2004 Opel Signum would be higher. At 3,696 cc (6 cylinders), 2013 Infiniti FX is equipped with a bigger engine. In terms of performance, 2013 Infiniti FX (321 HP @ 7000 RPM) has 148 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM) In normal driving conditions, 2013 Infiniti FX should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2013 Infiniti FX weights approximately 383 kg more than 2004 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 Infiniti FX is all wheel drive (AWD), it will have significant more traction and grip than 2004 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2013 Infiniti FX will offer significantly more control. 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, 2013 Infiniti FX (362 Nm @ 5200 RPM) has 97 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 2013 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum. 2013 Infiniti FX has automatic transmission and 2004 Opel Signum has manual transmission. 2004 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 Infiniti FX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Opel Signum | 2013 Infiniti FX | |
| Make | Opel | Infiniti |
| Model | Signum | FX |
| Year Released | 2004 | 2013 |
| Body Type | Hatchback | Crossover |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 3696 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 321 HP |
| Engine RPM | 5500 RPM | 7000 RPM |
| Torque | 265 Nm | 362 Nm |
| Torque RPM | 2500 RPM | 5200 RPM |
| Engine Bore Size | 86 mm | 95 mm |
| Engine Stroke Size | 86 mm | 86 mm |
| Fuel Type | Gasoline - Premium | Natural Gas (CNG) |
| Drive Type | Front | AWD |
| Transmission Type | Manual | 6-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1943 kg |
| Vehicle Length | 4640 mm | 4859 mm |
| Vehicle Width | 1800 mm | 1928 mm |
| Vehicle Height | 1470 mm | 1680 mm |
| Wheelbase Size | 2840 mm | 2885 mm |
