2007 Opel Signum vs. 2011 Infiniti G37
To start off, 2011 Infiniti G37 is newer by 4 year(s). Which means there will be less support and parts availability for 2007 Opel Signum. In addition, the cost of maintenance, including insurance, on 2007 Opel Signum would be higher. At 3,700 cc (6 cylinders), 2011 Infiniti G37 is equipped with a bigger engine. In terms of performance, 2011 Infiniti G37 (348 HP @ 7400 RPM) has 200 more horse power than 2007 Opel Signum. (148 HP @ 4000 RPM) In normal driving conditions, 2011 Infiniti G37 should accelerate faster than 2007 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2011 Infiniti G37 weights approximately 73 kg more than 2007 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Infiniti G37 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 2011 Infiniti G37. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2011 Infiniti G37 (374 Nm @ 5200 RPM) has 59 more torque (in Nm) than 2007 Opel Signum. (315 Nm @ 2000 RPM). This means 2011 Infiniti G37 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Signum.
Compare all specifications:
| 2007 Opel Signum | 2011 Infiniti G37 | |
| Make | Opel | Infiniti |
| Model | Signum | G37 |
| Year Released | 2007 | 2011 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1909 cc | 3700 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 348 HP |
| Engine RPM | 4000 RPM | 7400 RPM |
| Torque | 315 Nm | 374 Nm |
| Torque RPM | 2000 RPM | 5200 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1613 kg | 1686 kg |
| Vehicle Length | 4640 mm | 4702 mm |
| Vehicle Width | 1800 mm | 1824 mm |
| Vehicle Height | 1470 mm | 1394 mm |
| Wheelbase Size | 2840 mm | 2850 mm |
| Fuel Consumption | 5.1 L/100km | 9.4 L/100km |
| Fuel Consumption City | 7.8 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 60 L | 76 L |
