2005 Infiniti G35 vs. 2003 Opel Signum
To start off, 2005 Infiniti G35 is newer by 2 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 3,498 cc (6 cylinders), 2005 Infiniti G35 is equipped with a bigger engine. In terms of performance, 2005 Infiniti G35 (276 HP @ 6200 RPM) has 103 more horse power than 2003 Opel Signum. (173 HP @ 5600 RPM). In normal driving conditions, 2005 Infiniti G35 should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Infiniti G35 weights approximately 55 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 2005 Infiniti G35 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 2005 Infiniti G35. 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 (280 Nm @ 2500 RPM) has 78 more torque (in Nm) than 2005 Infiniti G35. (202 Nm @ 4800 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Infiniti G35.
Compare all specifications:
| 2005 Infiniti G35 | 2003 Opel Signum | |
| Make | Infiniti | Opel |
| Model | G35 | Signum |
| Year Released | 2005 | 2003 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3498 cc | 1910 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 276 HP | 173 HP |
| Engine RPM | 6200 RPM | 5600 RPM |
| Torque | 202 Nm | 280 Nm |
| Torque RPM | 4800 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1550 kg | 1495 kg |
| Vehicle Length | 4630 mm | 4640 mm |
| Vehicle Width | 1820 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2860 mm | 2720 mm |
