2008 GMC Sierra vs. 2004 Opel Vectra
To start off, 2008 GMC Sierra is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2004 Opel Vectra would be higher. At 5,999 cc (8 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 GMC Sierra (353 HP @ 5400 RPM) has 230 more horse power than 2004 Opel Vectra. (123 HP @ 4000 RPM). In normal driving conditions, 2008 GMC Sierra should accelerate faster than 2004 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 636 kg more than 2004 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2004 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2008 GMC Sierra 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, 2008 GMC Sierra (506 Nm @ 4400 RPM) has 226 more torque (in Nm) than 2004 Opel Vectra. (280 Nm @ 1500 RPM). This means 2008 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Vectra.
Compare all specifications:
| 2008 GMC Sierra | 2004 Opel Vectra | |
| Make | GMC | Opel |
| Model | Sierra | Vectra |
| Year Released | 2008 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 2169 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 353 HP | 123 HP |
| Engine RPM | 5400 RPM | 4000 RPM |
| Torque | 506 Nm | 280 Nm |
| Torque RPM | 4400 RPM | 1500 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2141 kg | 1505 kg |
| Vehicle Length | 6580 mm | 4600 mm |
| Vehicle Width | 2040 mm | 1800 mm |
| Vehicle Height | 1960 mm | 1470 mm |
| Wheelbase Size | 4250 mm | 2720 mm |
| Fuel Consumption Overall | 13.8 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 129 L | 61 L |
