2007 Opel Vivaro vs. 1981 Porsche 911
To start off, 2007 Opel Vivaro is newer by 26 year(s). Which means there will be less support and parts availability for 1981 Porsche 911. In addition, the cost of maintenance, including insurance, on 1981 Porsche 911 would be higher. At 3,164 cc (6 cylinders), 1981 Porsche 911 is equipped with a bigger engine. In terms of performance, 1981 Porsche 911 (232 HP @ 5900 RPM) has 132 more horse power than 2007 Opel Vivaro. (100 HP @ 3500 RPM) In normal driving conditions, 1981 Porsche 911 should accelerate faster than 2007 Opel Vivaro. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Vivaro weights approximately 417 kg more than 1981 Porsche 911.
Because 1981 Porsche 911 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1981 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 2007 Opel Vivaro, being front wheel drive (FWD), will offer much better control with better grip. 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, 1981 Porsche 911 (284 Nm @ 4800 RPM) has 44 more torque (in Nm) than 2007 Opel Vivaro. (240 Nm @ 2000 RPM). This means 1981 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Vivaro.
Compare all specifications:
| 2007 Opel Vivaro | 1981 Porsche 911 | |
| Make | Opel | Porsche |
| Model | Vivaro | 911 |
| Year Released | 2007 | 1981 |
| Body Type | Van | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 1870 cc | 3164 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 100 HP | 232 HP |
| Engine RPM | 3500 RPM | 5900 RPM |
| Torque | 240 Nm | 284 Nm |
| Torque RPM | 2000 RPM | 4800 RPM |
| Engine Bore Size | 80 mm | 95 mm |
| Engine Stroke Size | 93 mm | 74.4 mm |
| Engine Compression Ratio | 18.3:1 | 10.3:1 |
| Top Speed | 155 km/hour | 246 km/hour |
| Acceleration 0-100mph | 16.5 seconds | 6.3 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1677 kg | 1260 kg |
| Vehicle Length | 4790 mm | 4300 mm |
| Vehicle Width | 1970 mm | 1660 mm |
| Vehicle Height | 1910 mm | 1330 mm |
| Wheelbase Size | 3100 mm | 2270 mm |
| Fuel Tank Capacity | 90 L | 80 L |
