2007 Opel Vectra vs. 1999 Porsche 911
To start off, 2007 Opel Vectra is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Porsche 911. In addition, the cost of maintenance, including insurance, on 1999 Porsche 911 would be higher. At 3,600 cc (6 cylinders), 1999 Porsche 911 is equipped with a bigger engine. In terms of performance, 1999 Porsche 911 (414 HP @ 6200 RPM) has 239 more horse power than 2007 Opel Vectra. (175 HP @ 4000 RPM) In normal driving conditions, 1999 Porsche 911 should accelerate faster than 2007 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Vectra weights approximately 20 kg more than 1999 Porsche 911.
Because 1999 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 1999 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, 1999 Porsche 911 (560 Nm @ 2700 RPM) has 190 more torque (in Nm) than 2007 Opel Vectra. (370 Nm @ 1900 RPM). This means 1999 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Vectra.
Compare all specifications:
| 2007 Opel Vectra | 1999 Porsche 911 | |
| Make | Opel | Porsche |
| Model | Vectra | 911 |
| Year Released | 2007 | 1999 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2958 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 175 HP | 414 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 370 Nm | 560 Nm |
| Torque RPM | 1900 RPM | 2700 RPM |
| Engine Bore Size | 87.5 mm | 100 mm |
| Engine Stroke Size | 82 mm | 76.4 mm |
| Engine Compression Ratio | 18.5:1 | 9.4:1 |
| Top Speed | 226 km/hour | 298 km/hour |
| Acceleration 0-100mph | 9.3 seconds | 4.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1605 kg | 1585 kg |
| Vehicle Length | 4600 mm | 4440 mm |
| Vehicle Width | 1800 mm | 1840 mm |
| Vehicle Height | 1470 mm | 1300 mm |
| Wheelbase Size | 2710 mm | 2360 mm |
| Fuel Tank Capacity | 61 L | 64 L |
