1977 Opel Commodore vs. 2005 Porsche 911
To start off, 2005 Porsche 911 is newer by 28 year(s). Which means there will be less support and parts availability for 1977 Opel Commodore. In addition, the cost of maintenance, including insurance, on 1977 Opel Commodore would be higher. At 3,605 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (445 HP @ 6000 RPM) has 304 more horse power than 1977 Opel Commodore. (141 HP @ 5200 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 1977 Opel Commodore. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 305 kg more than 1977 Opel Commodore. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Porsche 911 (620 Nm) has 403 more torque (in Nm) than 1977 Opel Commodore. (217 Nm). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1977 Opel Commodore.
Compare all specifications:
| 1977 Opel Commodore | 2005 Porsche 911 | |
| Make | Opel | Porsche |
| Model | Commodore | 911 |
| Year Released | 1977 | 2005 |
| Engine Position | Front | Rear |
| Engine Size | 2784 cc | 3605 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 141 HP | 445 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 217 Nm | 620 Nm |
| Engine Bore Size | 92 mm | 100 mm |
| Engine Stroke Size | 69.8 mm | 76 mm |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1285 kg | 1590 kg |
| Vehicle Length | 4620 mm | 4440 mm |
| Vehicle Width | 1730 mm | 1840 mm |
| Vehicle Height | 1430 mm | 1300 mm |
| Wheelbase Size | 2670 mm | 2360 mm |
| Fuel Tank Capacity | 70 L | 63 L |
