2005 Chevrolet Avalanche vs. 2003 Opel Vectra
To start off, 2005 Chevrolet Avalanche 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 8,128 cc (8 cylinders), 2005 Chevrolet Avalanche is equipped with a bigger engine. In terms of performance, 2005 Chevrolet Avalanche (320 HP @ 5600 RPM) has 197 more horse power than 2003 Opel Vectra. (123 HP @ 5600 RPM). In normal driving conditions, 2005 Chevrolet Avalanche should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Chevrolet Avalanche weights approximately 1594 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.
Because 2005 Chevrolet Avalanche is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2005 Chevrolet Avalanche 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 Avalanche (597 Nm) has 435 more torque (in Nm) than 2003 Opel Vectra. (162 Nm). This means 2005 Chevrolet Avalanche will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2005 Chevrolet Avalanche | 2003 Opel Vectra | |
| Make | Chevrolet | Opel |
| Model | Avalanche | Vectra |
| Year Released | 2005 | 2003 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 8128 cc | 1794 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 320 HP | 123 HP |
| Engine RPM | 5600 RPM | 5600 RPM |
| Torque | 597 Nm | 162 Nm |
| Engine Bore Size | 108 mm | 80.5 mm |
| Engine Stroke Size | 111 mm | 88.2 mm |
| Engine Compression Ratio | 9.1:1 | 10.5:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2984 kg | 1390 kg |
| Vehicle Length | 5640 mm | 4500 mm |
| Vehicle Width | 2030 mm | 1710 mm |
| Vehicle Height | 1880 mm | 1430 mm |
| Wheelbase Size | 3310 mm | 2710 mm |
| Fuel Tank Capacity | 140 L | 60 L |
