1991 Opel Astra vs. 1978 Porsche 930
To start off, 1991 Opel Astra is newer by 13 year(s). Which means there will be less support and parts availability for 1978 Porsche 930. In addition, the cost of maintenance, including insurance, on 1978 Porsche 930 would be higher. At 3,299 cc (6 cylinders), 1978 Porsche 930 is equipped with a bigger engine. In terms of performance, 1978 Porsche 930 (296 HP @ 5500 RPM) has 214 more horse power than 1991 Opel Astra. (82 HP @ 4400 RPM) In normal driving conditions, 1978 Porsche 930 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1978 Porsche 930 weights approximately 170 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.
Because 1978 Porsche 930 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 1978 Porsche 930. However, in wet, icy, snow, or gravel driving conditions, 1991 Opel Astra, 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, 1978 Porsche 930 (431 Nm @ 4000 RPM) has 263 more torque (in Nm) than 1991 Opel Astra. (168 Nm @ 2400 RPM). This means 1978 Porsche 930 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 1991 Opel Astra | 1978 Porsche 930 | |
| Make | Opel | Porsche |
| Model | Astra | 930 |
| Year Released | 1991 | 1978 |
| Engine Position | Front | Rear |
| Engine Size | 1686 cc | 3299 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 82 HP | 296 HP |
| Engine RPM | 4400 RPM | 5500 RPM |
| Torque | 168 Nm | 431 Nm |
| Torque RPM | 2400 RPM | 4000 RPM |
| Engine Compression Ratio | 22.0:1 | 7.0:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1130 kg | 1300 kg |
| Vehicle Length | 4060 mm | 4300 mm |
| Vehicle Width | 1690 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1320 mm |
| Wheelbase Size | 2640 mm | 2510 mm |
