2009 GMC Acadia vs. 2005 Opel Vectra
To start off, 2009 GMC Acadia is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2005 Opel Vectra would be higher. At 3,598 cc (6 cylinders), 2009 GMC Acadia is equipped with a bigger engine. In terms of performance, 2009 GMC Acadia (288 HP @ 6300 RPM) has 80 more horse power than 2005 Opel Vectra. (208 HP @ 6200 RPM). In normal driving conditions, 2009 GMC Acadia should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2009 GMC Acadia weights approximately 516 kg more than 2005 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 GMC Acadia is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2009 GMC Acadia 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, 2009 GMC Acadia (366 Nm @ 3400 RPM) has 66 more torque (in Nm) than 2005 Opel Vectra. (300 Nm @ 4000 RPM). This means 2009 GMC Acadia will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 2009 GMC Acadia | 2005 Opel Vectra | |
| Make | GMC | Opel |
| Model | Acadia | Vectra |
| Year Released | 2009 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 3598 cc | 3175 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 288 HP | 208 HP |
| Engine RPM | 6300 RPM | 6200 RPM |
| Torque | 366 Nm | 300 Nm |
| Torque RPM | 3400 RPM | 4000 RPM |
| Engine Bore Size | 96 mm | 87.5 mm |
| Engine Stroke Size | 83.1 mm | 88 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2141 kg | 1625 kg |
| Vehicle Length | 5100 mm | 4830 mm |
| Vehicle Width | 1990 mm | 1800 mm |
| Vehicle Height | 1780 mm | 1510 mm |
| Wheelbase Size | 3030 mm | 2700 mm |
| Fuel Consumption Overall | 12.4 L/100km | 10.3 L/100km |
| Fuel Tank Capacity | 83 L | 60 L |
