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 2,172 cc (4 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (115 HP @ 3000 RPM) has 7 more horse power than 2005 Suzuki Grand Vitara. (108 HP @ 4000 RPM). In normal driving conditions, 2003 Opel Signum should accelerate faster than 2005 Suzuki Grand Vitara. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 2 kg more than 2005 Suzuki Grand Vitara. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Suzuki Grand Vitara is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2005 Suzuki Grand Vitara will offer significantly more control. 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 @ 1500 RPM) has 30 more torque (in Nm) than 2005 Suzuki Grand Vitara. (250 Nm @ 1750 RPM). 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 | 1997 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 115 HP | 108 HP |
| Engine RPM | 3000 RPM | 4000 RPM |
| Torque | 280 Nm | 250 Nm |
| Torque RPM | 1500 RPM | 1750 RPM |
| Engine Bore Size | 84.1 mm | 85 mm |
| Engine Stroke Size | 98 mm | 88 mm |
| Fuel Type | Diesel | Diesel |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1535 kg | 1533 kg |
| Vehicle Length | 4640 mm | 3880 mm |
| Vehicle Width | 1800 mm | 1790 mm |
| Vehicle Height | 1470 mm | 1750 mm |
| Wheelbase Size | 2840 mm | 2210 mm |
