2004 Opel Signum vs. 2006 Suzuki Grand Vitara
To start off, 2006 Suzuki Grand Vitara is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Opel Signum. In addition, the cost of maintenance, including insurance, on 2004 Opel Signum would be higher. At 2,491 cc (6 cylinders), 2006 Suzuki Grand Vitara is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (148 HP @ 4000 RPM) has 6 more horse power than 2006 Suzuki Grand Vitara. (142 HP @ 6000 RPM). In normal driving conditions, 2004 Opel Signum should accelerate faster than 2006 Suzuki Grand Vitara. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 535 kg more than 2006 Suzuki Grand Vitara. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 Opel Signum (326 Nm @ 2000 RPM) has 118 more torque (in Nm) than 2006 Suzuki Grand Vitara. (208 Nm @ 3500 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2006 Suzuki Grand Vitara.
Compare all specifications:
| 2004 Opel Signum | 2006 Suzuki Grand Vitara | |
| Make | Opel | Suzuki |
| Model | Signum | Grand Vitara |
| Year Released | 2004 | 2006 |
| Body Type | Hatchback | SUV |
| Engine Position | Front | Front |
| Engine Size | 1908 cc | 2491 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 142 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 326 Nm | 208 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Engine Bore Size | 82 mm | 84 mm |
| Engine Stroke Size | 90.4 mm | 75 mm |
| Engine Compression Ratio | 18.0:1 | 9.5:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1610 kg | 1075 kg |
| Vehicle Length | 4640 mm | 3700 mm |
| Vehicle Width | 1800 mm | 1790 mm |
| Vehicle Height | 1470 mm | 1510 mm |
| Wheelbase Size | 2840 mm | 2490 mm |
| Fuel Consumption Overall | 6.1 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 60 L | 66 L |
