2005 Chevrolet Silverado vs. 2003 Opel Vectra
To start off, 2005 Chevrolet Silverado is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra would be higher. At 5,736 cc (8 cylinders), 2005 Chevrolet Silverado is equipped with a bigger engine. In terms of performance, 2005 Chevrolet Silverado (300 HP @ 5600 RPM) has 124 more horse power than 2003 Opel Vectra. (176 HP @ 4000 RPM). In normal driving conditions, 2005 Chevrolet Silverado should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Chevrolet Silverado weights approximately 1018 kg more than 2003 Opel Vectra. 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 Silverado (488 Nm) has 118 more torque (in Nm) than 2003 Opel Vectra. (370 Nm). This means 2005 Chevrolet Silverado will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra. 2005 Chevrolet Silverado has automatic transmission and 2003 Opel Vectra has manual transmission. 2003 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Chevrolet Silverado will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Chevrolet Silverado | 2003 Opel Vectra | |
| Make | Chevrolet | Opel |
| Model | Silverado | Vectra |
| Year Released | 2005 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 5736 cc | 2958 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 300 HP | 176 HP |
| Engine RPM | 5600 RPM | 4000 RPM |
| Torque | 488 Nm | 370 Nm |
| Engine Compression Ratio | 9.4:1 | 18.5:1 |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2608 kg | 1590 kg |
| Vehicle Length | 6030 mm | 4830 mm |
| Vehicle Width | 2030 mm | 1800 mm |
| Vehicle Height | 1960 mm | 1510 mm |
