1991 Opel Astra vs. 2013 Porsche 911
To start off, 2013 Porsche 911 is newer by 22 year(s). Which means there will be less support and parts availability for 1991 Opel Astra. In addition, the cost of maintenance, including insurance, on 1991 Opel Astra would be higher. At 3,800 cc (6 cylinders), 2013 Porsche 911 is equipped with a bigger engine. In terms of performance, 2013 Porsche 911 (523 HP @ 6250 RPM) has 441 more horse power than 1991 Opel Astra. (82 HP @ 4400 RPM) In normal driving conditions, 2013 Porsche 911 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2013 Porsche 911 weights approximately 534 kg more than 1991 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2013 Porsche 911 (700 Nm @ 4250 RPM) has 532 more torque (in Nm) than 1991 Opel Astra. (168 Nm @ 2400 RPM). This means 2013 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra. 2013 Porsche 911 has automatic transmission and 1991 Opel Astra has manual transmission. 1991 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 Porsche 911 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Opel Astra | 2013 Porsche 911 | |
| Make | Opel | Porsche |
| Model | Astra | 911 |
| Year Released | 1991 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 1686 cc | 3800 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 82 HP | 523 HP |
| Engine RPM | 4400 RPM | 6250 RPM |
| Torque | 168 Nm | 700 Nm |
| Torque RPM | 2400 RPM | 4250 RPM |
| Engine Compression Ratio | 22.0:1 | 9.8 : 1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 164 km/hour | 315 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1130 kg | 1664 kg |
| Vehicle Length | 4060 mm | 4477 mm |
| Vehicle Width | 1690 mm | 1852 mm |
| Vehicle Height | 1430 mm | 1300 mm |
| Wheelbase Size | 2640 mm | 2350 mm |
