1998 Oldsmobile Silhouette vs. 2005 Porsche 911
To start off, 2005 Porsche 911 is newer by 7 year(s). Which means there will be less support and parts availability for 1998 Oldsmobile Silhouette. In addition, the cost of maintenance, including insurance, on 1998 Oldsmobile Silhouette would be higher. At 3,605 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (445 HP @ 6000 RPM) has 262 more horse power than 1998 Oldsmobile Silhouette. (183 HP @ 5200 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 1998 Oldsmobile Silhouette. With that said, vehicle weight also plays an important factor in acceleration. 1998 Oldsmobile Silhouette weights approximately 155 kg more than 2005 Porsche 911.
Let's talk about torque, 2005 Porsche 911 (620 Nm) has 335 more torque (in Nm) than 1998 Oldsmobile Silhouette. (285 Nm). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1998 Oldsmobile Silhouette.
Compare all specifications:
| 1998 Oldsmobile Silhouette | 2005 Porsche 911 | |
| Make | Oldsmobile | Porsche |
| Model | Silhouette | 911 |
| Year Released | 1998 | 2005 |
| Body Type | Minivan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3348 cc | 3605 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 183 HP | 445 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 285 Nm | 620 Nm |
| Engine Bore Size | 91 mm | 100 mm |
| Engine Stroke Size | 84 mm | 76 mm |
| Number of Seats | 7 seats | 4 seats |
| Vehicle Weight | 1745 kg | 1590 kg |
| Vehicle Length | 4680 mm | 4440 mm |
| Vehicle Width | 1840 mm | 1840 mm |
| Vehicle Height | 1760 mm | 1300 mm |
| Wheelbase Size | 2850 mm | 2360 mm |
