2003 Opel Signum vs. 2005 Suzuki Grand Vitara
To start off, 2005 Suzuki Grand Vitara 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 2,491 cc (6 cylinders), 2005 Suzuki Grand Vitara is equipped with a bigger engine. In terms of performance, 2005 Suzuki Grand Vitara (165 HP @ 6000 RPM) has 50 more horse power than 2003 Opel Signum. (115 HP @ 3000 RPM) In normal driving conditions, 2005 Suzuki Grand Vitara should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 90 kg more than 2005 Suzuki Grand Vitara.
Let's talk about torque, 2003 Opel Signum (280 Nm) has 60 more torque (in Nm) than 2005 Suzuki Grand Vitara. (220 Nm). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Suzuki Grand Vitara.
Compare all specifications:
| 2003 Opel Signum | 2005 Suzuki Grand Vitara | |
| Make | Opel | Suzuki |
| Model | Signum | Grand Vitara |
| Year Released | 2003 | 2005 |
| Body Type | Hatchback | SUV |
| Engine Position | Front | Front |
| Engine Size | 2172 cc | 2491 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 115 HP | 165 HP |
| Engine RPM | 3000 RPM | 6000 RPM |
| Torque | 280 Nm | 220 Nm |
| Engine Bore Size | 84.1 mm | 84 mm |
| Engine Stroke Size | 98 mm | 75 mm |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1535 kg | 1445 kg |
| Vehicle Length | 4640 mm | 4180 mm |
| Vehicle Width | 1800 mm | 1790 mm |
| Vehicle Height | 1470 mm | 1720 mm |
| Wheelbase Size | 2840 mm | 2490 mm |
