2005 Opel Astra vs. 1991 Porsche 964
To start off, 2005 Opel Astra is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Porsche 964. In addition, the cost of maintenance, including insurance, on 1991 Porsche 964 would be higher. At 3,600 cc (6 cylinders), 1991 Porsche 964 is equipped with a bigger engine. In terms of performance, 1991 Porsche 964 (261 HP @ 6100 RPM) has 161 more horse power than 2005 Opel Astra. (100 HP @ 4300 RPM) In normal driving conditions, 1991 Porsche 964 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 140 kg more than 1991 Porsche 964.
Because 1991 Porsche 964 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Astra. In wet, icy, snow, or gravel driving conditions, 1991 Porsche 964 will offer significantly more control. 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, 1991 Porsche 964 (318 Nm @ 4800 RPM) has 88 more torque (in Nm) than 2005 Opel Astra. (230 Nm @ 1950 RPM). This means 1991 Porsche 964 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2005 Opel Astra | 1991 Porsche 964 | |
| Make | Opel | Porsche |
| Model | Astra | 964 |
| Year Released | 2005 | 1991 |
| Engine Position | Front | Rear |
| Engine Size | 1908 cc | 3600 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 100 HP | 261 HP |
| Engine RPM | 4300 RPM | 6100 RPM |
| Torque | 230 Nm | 318 Nm |
| Torque RPM | 1950 RPM | 4800 RPM |
| Engine Bore Size | 84 mm | 100.1 mm |
| Engine Stroke Size | 90 mm | 76.4 mm |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1345 kg | 1205 kg |
| Vehicle Length | 4120 mm | 4260 mm |
| Vehicle Width | 1720 mm | 1660 mm |
| Vehicle Height | 1430 mm | 1330 mm |
| Wheelbase Size | 2610 mm | 2280 mm |
| Fuel Tank Capacity | 52 L | 73 L |
