2004 Opel Astra vs. 1986 Porsche 928
To start off, 2004 Opel Astra is newer by 18 year(s). Which means there will be less support and parts availability for 1986 Porsche 928. In addition, the cost of maintenance, including insurance, on 1986 Porsche 928 would be higher. At 4,957 cc (8 cylinders), 1986 Porsche 928 is equipped with a bigger engine. In terms of performance, 1986 Porsche 928 (321 HP @ 6000 RPM) has 196 more horse power than 2004 Opel Astra. (125 HP @ 5600 RPM) In normal driving conditions, 1986 Porsche 928 should accelerate faster than 2004 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1986 Porsche 928 weights approximately 225 kg more than 2004 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1986 Porsche 928 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 1986 Porsche 928. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 1986 Porsche 928 (430 Nm @ 3000 RPM) has 263 more torque (in Nm) than 2004 Opel Astra. (167 Nm @ 3800 RPM). This means 1986 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Astra.
Compare all specifications:
| 2004 Opel Astra | 1986 Porsche 928 | |
| Make | Opel | Porsche |
| Model | Astra | 928 |
| Year Released | 2004 | 1986 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 4957 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 125 HP | 321 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 167 Nm | 430 Nm |
| Torque RPM | 3800 RPM | 3000 RPM |
| Engine Bore Size | 80.5 mm | 100 mm |
| Engine Stroke Size | 88.2 mm | 78.9 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Top Speed | 198 km/hour | 274 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1325 kg | 1550 kg |
| Vehicle Length | 4520 mm | 4450 mm |
| Vehicle Width | 1800 mm | 1840 mm |
| Vehicle Height | 1510 mm | 1290 mm |
| Wheelbase Size | 2700 mm | 2510 mm |
