1999 Opel Vectra vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 10 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 3,599 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (473 HP @ 6000 RPM) has 359 more horse power than 1999 Opel Vectra. (114 HP @ 5400 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 1999 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche 911 weights approximately 138 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.
Because 2009 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2009 Porsche 911 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 Porsche 911 (620 Nm @ 2700 RPM) has 450 more torque (in Nm) than 1999 Opel Vectra. (170 Nm @ 3400 RPM). This means 2009 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 | 2009 Porsche 911 | |
| Make | Opel | Porsche |
| Model | Vectra | 911 |
| Year Released | 1999 | 2009 |
| Engine Position | Front | Rear |
| Engine Size | 1796 cc | 3599 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 114 HP | 473 HP |
| Engine RPM | 5400 RPM | 6000 RPM |
| Torque | 170 Nm | 620 Nm |
| Torque RPM | 3400 RPM | 2700 RPM |
| Engine Bore Size | 80.5 mm | 100 mm |
| Engine Stroke Size | 88.2 mm | 76.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 1392 kg | 1530 kg |
| Vehicle Length | 4500 mm | 4440 mm |
| Vehicle Width | 1720 mm | 1300 mm |
| Vehicle Height | 1500 mm | 1840 mm |
| Wheelbase Size | 2650 mm | 2360 mm |
