2005 Oldsmobile Silhouette vs. 2008 Opel Vectra
To start off, 2008 Opel Vectra is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Oldsmobile Silhouette. In addition, the cost of maintenance, including insurance, on 2005 Oldsmobile Silhouette would be higher. At 3,350 cc (6 cylinders), 2005 Oldsmobile Silhouette is equipped with a bigger engine. In terms of performance, 2005 Oldsmobile Silhouette (184 HP @ 5200 RPM) has 64 more horse power than 2008 Opel Vectra. (120 HP @ 6000 RPM). In normal driving conditions, 2005 Oldsmobile Silhouette should accelerate faster than 2008 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Oldsmobile Silhouette weights approximately 335 kg more than 2008 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 Oldsmobile Silhouette (285 Nm @ 4000 RPM) has 118 more torque (in Nm) than 2008 Opel Vectra. (167 Nm @ 3800 RPM). This means 2005 Oldsmobile Silhouette will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Vectra. 2005 Oldsmobile Silhouette has automatic transmission and 2008 Opel Vectra has manual transmission. 2008 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Oldsmobile Silhouette will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Oldsmobile Silhouette | 2008 Opel Vectra | |
| Make | Oldsmobile | Opel |
| Model | Silhouette | Vectra |
| Year Released | 2005 | 2008 |
| Body Type | Minivan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3350 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 184 HP | 120 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 285 Nm | 167 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Engine Bore Size | 91 mm | 80.6 mm |
| Engine Stroke Size | 84 mm | 88.2 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 7 seats | 5 seats |
| Vehicle Weight | 1745 kg | 1410 kg |
| Vehicle Length | 4680 mm | 4600 mm |
| Vehicle Width | 1840 mm | 1800 mm |
| Vehicle Height | 1760 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2710 mm |
