2005 Chevrolet Express vs. 2003 Opel Signum
To start off, 2005 Chevrolet Express 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 5,326 cc (8 cylinders), 2005 Chevrolet Express is equipped with a bigger engine. In terms of performance, 2005 Chevrolet Express (296 HP @ 5600 RPM) has 152 more horse power than 2003 Opel Signum. (144 HP @ 6000 RPM). In normal driving conditions, 2005 Chevrolet Express should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Chevrolet Express weights approximately 851 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 Chevrolet Express 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 Chevrolet Express 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, 2005 Chevrolet Express (447 Nm) has 207 more torque (in Nm) than 2003 Opel Signum. (240 Nm). This means 2005 Chevrolet Express will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum.
Compare all specifications:
| 2005 Chevrolet Express | 2003 Opel Signum | |
| Make | Chevrolet | Opel |
| Model | Express | Signum |
| Year Released | 2005 | 2003 |
| Body Type | Van | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 5326 cc | 2198 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 296 HP | 144 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 447 Nm | 240 Nm |
| Engine Bore Size | 96 mm | 86 mm |
| Engine Stroke Size | 92 mm | 94.6 mm |
| Engine Compression Ratio | 9.5:1 | 12.0:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 8 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2537 kg | 1686 kg |
| Vehicle Length | 5700 mm | 4640 mm |
| Vehicle Width | 2020 mm | 1800 mm |
| Vehicle Height | 2080 mm | 1470 mm |
| Wheelbase Size | 3440 mm | 2640 mm |
| Fuel Consumption Highway | 13.1 L/100km | 7.2 L/100km |
| Fuel Consumption City | 16.8 L/100km | 12.4 L/100km |
| Fuel Consumption Overall | 14.7 L/100km | 5.2 L/100km |
| Fuel Tank Capacity | 117 L | 58 L |
