2003 Opel Signum vs. 2012 Infiniti FX
To start off, 2012 Infiniti FX is newer by 9 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), 2012 Infiniti FX is equipped with a bigger engine. In terms of performance, 2012 Infiniti FX (303 HP @ 6800 RPM) has 128 more horse power than 2003 Opel Signum. (175 HP @ 5500 RPM) In normal driving conditions, 2012 Infiniti FX should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2012 Infiniti FX weights approximately 313 kg more than 2003 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 Infiniti FX is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2012 Infiniti FX. However, in wet, icy, snow, or gravel driving conditions, 2003 Opel Signum, being front wheel drive (FWD), will offer much better control with better grip. 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 (370 Nm @ 1900 RPM) has 15 more torque (in Nm) than 2012 Infiniti FX. (355 Nm @ 4800 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2012 Infiniti FX.
Compare all specifications:
| 2003 Opel Signum | 2012 Infiniti FX | |
| Make | Opel | Infiniti |
| Model | Signum | FX |
| Year Released | 2003 | 2012 |
| Body Type | Hatchback | Crossover |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 3500 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 303 HP |
| Engine RPM | 5500 RPM | 6800 RPM |
| Torque | 370 Nm | 355 Nm |
| Torque RPM | 1900 RPM | 4800 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1575 kg | 1888 kg |
| Vehicle Length | 4640 mm | 4865 mm |
| Vehicle Width | 1800 mm | 1925 mm |
| Vehicle Height | 1470 mm | 1680 mm |
| Wheelbase Size | 2840 mm | 2885 mm |
