1991 Porsche 928 vs. 2011 Opel Astra
To start off, 2011 Opel Astra is newer by 20 year(s). Which means there will be less support and parts availability for 1991 Porsche 928. In addition, the cost of maintenance, including insurance, on 1991 Porsche 928 would be higher. At 4,663 cc (8 cylinders), 1991 Porsche 928 is equipped with a bigger engine. In terms of performance, 1991 Porsche 928 (306 HP @ 5900 RPM) has 168 more horse power than 2011 Opel Astra. (138 HP @ 5600 RPM). In normal driving conditions, 1991 Porsche 928 should accelerate faster than 2011 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Porsche 928 weights approximately 252 kg more than 2011 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 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 1991 Porsche 928. However, in wet, icy, snow, or gravel driving conditions, 2011 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, 1991 Porsche 928 (408 Nm @ 4100 RPM) has 233 more torque (in Nm) than 2011 Opel Astra. (175 Nm @ 3800 RPM). This means 1991 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 2011 Opel Astra.
Compare all specifications:
1991 Porsche 928 | 2011 Opel Astra | |
Make | Porsche | Opel |
Model | 928 | Astra |
Year Released | 1991 | 2011 |
Engine Position | Front | Front |
Engine Size | 4663 cc | 1795 cc |
Engine Cylinders | 8 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 306 HP | 138 HP |
Engine RPM | 5900 RPM | 5600 RPM |
Torque | 408 Nm | 175 Nm |
Torque RPM | 4100 RPM | 3800 RPM |
Engine Bore Size | 97 mm | 80.5 mm |
Engine Stroke Size | 78.9 mm | 88.2 mm |
Engine Compression Ratio | 10.0:1 | 10.5:1 |
Fuel Type | Gasoline | Gasoline |
Top Speed | 319 km/hour | 208 km/hour |
Drive Type | Rear | Front |
Transmission Type | Manual | Manual |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1530 kg | 1278 kg |
Vehicle Length | 4530 mm | 4260 mm |
Vehicle Width | 2060 mm | 1760 mm |
Vehicle Height | 1290 mm | 1470 mm |
Wheelbase Size | 2510 mm | 2620 mm |
Fuel Tank Capacity | 76 L | 52 L |