1999 Opel Astra vs. 1986 Porsche 928
To start off, 1999 Opel Astra is newer by 13 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 4,664 cc (8 cylinders), 1986 Porsche 928 is equipped with a bigger engine. In terms of performance, 1986 Porsche 928 (306 HP @ 5900 RPM) has 242 more horse power than 1999 Opel Astra. (64 HP @ 5600 RPM) In normal driving conditions, 1986 Porsche 928 should accelerate faster than 1999 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1986 Porsche 928 weights approximately 486 kg more than 1999 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, 1999 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 (408 Nm @ 4100 RPM) has 298 more torque (in Nm) than 1999 Opel Astra. (110 Nm @ 4000 RPM). This means 1986 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Astra.
Compare all specifications:
| 1999 Opel Astra | 1986 Porsche 928 | |
| Make | Opel | Porsche |
| Model | Astra | 928 |
| Year Released | 1999 | 1986 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1199 cc | 4664 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 64 HP | 306 HP |
| Engine RPM | 5600 RPM | 5900 RPM |
| Torque | 110 Nm | 408 Nm |
| Torque RPM | 4000 RPM | 4100 RPM |
| Engine Bore Size | 72.5 mm | 97 mm |
| Engine Stroke Size | 72.6 mm | 78.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1050 kg | 1536 kg |
| Vehicle Length | 4120 mm | 4450 mm |
| Vehicle Width | 1720 mm | 1840 mm |
| Vehicle Height | 1430 mm | 1290 mm |
| Wheelbase Size | 2640 mm | 2510 mm |
| Fuel Tank Capacity | 44 L | 76 L |
