1975 Opel Kadett vs. 2005 Porsche 911
To start off, 2005 Porsche 911 is newer by 30 year(s). Which means there will be less support and parts availability for 1975 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1975 Opel Kadett would be higher. At 3,600 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (445 HP @ 5700 RPM) has 347 more horse power than 1975 Opel Kadett. (98 HP @ 5200 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 1975 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 760 kg more than 1975 Opel Kadett. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1975 Opel Kadett. In wet, icy, snow, or gravel driving conditions, 2005 Porsche 911 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, 2005 Porsche 911 (620 Nm @ 3500 RPM) has 472 more torque (in Nm) than 1975 Opel Kadett. (148 Nm @ 3400 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1975 Opel Kadett.
Compare all specifications:
| 1975 Opel Kadett | 2005 Porsche 911 | |
| Make | Opel | Porsche |
| Model | Kadett | 911 |
| Year Released | 1975 | 2005 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1897 cc | 3600 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 98 HP | 445 HP |
| Engine RPM | 5200 RPM | 5700 RPM |
| Torque | 148 Nm | 620 Nm |
| Torque RPM | 3400 RPM | 3500 RPM |
| Engine Bore Size | 93 mm | 100 mm |
| Engine Stroke Size | 69.8 mm | 76.4 mm |
| Engine Compression Ratio | 9.2:1 | 9.4:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 190 km/hour | 307 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 830 kg | 1590 kg |
| Vehicle Length | 4130 mm | 4440 mm |
| Vehicle Width | 1590 mm | 1840 mm |
| Vehicle Height | 1290 mm | 1300 mm |
| Wheelbase Size | 2520 mm | 2360 mm |
| Fuel Consumption Overall | 7.5 L/100km | 13.3 L/100km |
| Fuel Tank Capacity | 43 L | 64 L |
