1999 Opel Vectra vs. 2005 Porsche 911
To start off, 2005 Porsche 911 is newer by 6 year(s). Which means there will be less support and parts availability for 1999 Opel Vectra. In addition, the cost of maintenance, including insurance, on 1999 Opel Vectra 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 311 more horse power than 1999 Opel Vectra. (134 HP @ 5600 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 1999 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 120 kg more than 1999 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Porsche 911 (620 Nm) has 433 more torque (in Nm) than 1999 Opel Vectra. (187 Nm). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Vectra.
Compare all specifications:
| 1999 Opel Vectra | 2005 Porsche 911 | |
| Make | Opel | Porsche |
| Model | Vectra | 911 |
| Year Released | 1999 | 2005 |
| Engine Position | Front | Rear |
| Engine Size | 1998 cc | 3605 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 134 HP | 445 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 187 Nm | 620 Nm |
| Vehicle Weight | 1470 kg | 1590 kg |
| Vehicle Length | 4500 mm | 4440 mm |
| Vehicle Width | 1720 mm | 1840 mm |
| Vehicle Height | 1500 mm | 1300 mm |
| Wheelbase Size | 2650 mm | 2360 mm |
