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 4,802 cc (8 cylinders), 2005 Chevrolet Express is equipped with a bigger engine. In terms of performance, 2005 Chevrolet Express (285 HP @ 5600 RPM) has 186 more horse power than 2003 Opel Signum. (99 HP @ 3120 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 960 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.
Let's talk about torque, 2005 Chevrolet Express (400 Nm) has 170 more torque (in Nm) than 2003 Opel Signum. (230 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 | 4802 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 285 HP | 99 HP |
| Engine RPM | 5600 RPM | 3120 RPM |
| Torque | 400 Nm | 230 Nm |
| Engine Bore Size | 96 mm | 84 mm |
| Engine Stroke Size | 83 mm | 90 mm |
| Engine Compression Ratio | 9.5:1 | 18.5:1 |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 2580 kg | 1620 kg |
| Vehicle Length | 6210 mm | 4640 mm |
| Vehicle Width | 2020 mm | 1800 mm |
| Vehicle Height | 2090 mm | 1470 mm |
| Wheelbase Size | 3940 mm | 2840 mm |
| Fuel Tank Capacity | 117 L | 60 L |
