2004 Infiniti I35 vs. 2003 Opel Signum
To start off, 2004 Infiniti I35 is newer by 1 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 3,491 cc (6 cylinders), 2004 Infiniti I35 is equipped with a bigger engine. In terms of performance, 2004 Infiniti I35 (255 HP) has 111 more horse power than 2003 Opel Signum. (144 HP). In normal driving conditions, 2004 Infiniti I35 should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 186 kg more than 2004 Infiniti I35.
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, 2004 Infiniti I35 (334 Nm) has 94 more torque (in Nm) than 2003 Opel Signum. (240 Nm). This means 2004 Infiniti I35 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum.
Compare all specifications:
| 2004 Infiniti I35 | 2003 Opel Signum | |
| Make | Infiniti | Opel |
| Model | I35 | Signum |
| Year Released | 2004 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3491 cc | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 144 HP |
| Torque | 334 Nm | 240 Nm |
| Engine Bore Size | 96 mm | 86 mm |
| Engine Stroke Size | 81 mm | 94.6 mm |
| Engine Compression Ratio | 10.3:1 | 12.0:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1500 kg | 1686 kg |
| Vehicle Length | 4930 mm | 4640 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2760 mm | 2640 mm |
| Fuel Consumption Highway | 9.1 L/100km | 7.2 L/100km |
| Fuel Consumption City | 12.4 L/100km | 12.4 L/100km |
| Fuel Consumption Overall | 10.7 L/100km | 5.2 L/100km |
| Fuel Tank Capacity | 70 L | 58 L |
