2004 Opel Astra vs. 2004 Porsche 911
To start off, both 2004 Opel Astra and 2004 Porsche 911 were released in the same year (2004). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,589 cc (6 cylinders), 2004 Porsche 911 is equipped with a bigger engine. In terms of performance, 2004 Porsche 911 (340 HP @ 6000 RPM) has 240 more horse power than 2004 Opel Astra. (100 HP @ 6200 RPM) In normal driving conditions, 2004 Porsche 911 should accelerate faster than 2004 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Astra weights approximately 8 kg more than 2004 Porsche 911.
Let's talk about torque, 2004 Porsche 911 (370 Nm) has 228 more torque (in Nm) than 2004 Opel Astra. (142 Nm). This means 2004 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Astra.
Compare all specifications:
| 2004 Opel Astra | 2004 Porsche 911 | |
| Make | Opel | Porsche |
| Model | Astra | 911 |
| Year Released | 2004 | 2004 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1584 cc | 3589 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 100 HP | 340 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 142 Nm | 370 Nm |
| Engine Bore Size | 79 mm | 96 mm |
| Engine Stroke Size | 81.5 mm | 83 mm |
| Engine Compression Ratio | 10.5:1 | 11.3:1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1350 kg | 1342 kg |
| Vehicle Length | 4280 mm | 4440 mm |
| Vehicle Width | 1720 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1310 mm |
| Wheelbase Size | 2620 mm | 2360 mm |
| Fuel Tank Capacity | 52 L | 64 L |
