1975 Opel Kadett vs. 1990 Porsche 911
To start off, 1990 Porsche 911 is newer by 15 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 3,299 cc (6 cylinders), 1990 Porsche 911 is equipped with a bigger engine. In terms of performance, 1990 Porsche 911 (316 HP @ 5750 RPM) has 265 more horse power than 1975 Opel Kadett. (51 HP @ 5600 RPM) In normal driving conditions, 1990 Porsche 911 should accelerate faster than 1975 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1990 Porsche 911 weights approximately 677 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.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1990 Porsche 911 (450 Nm @ 4500 RPM) has 370 more torque (in Nm) than 1975 Opel Kadett. (80 Nm @ 3400 RPM). This means 1990 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 | 1990 Porsche 911 | |
| Make | Opel | Porsche |
| Model | Kadett | 911 |
| Year Released | 1975 | 1990 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1196 cc | 3299 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 51 HP | 316 HP |
| Engine RPM | 5600 RPM | 5750 RPM |
| Torque | 80 Nm | 450 Nm |
| Torque RPM | 3400 RPM | 4500 RPM |
| Engine Bore Size | 79 mm | 97 mm |
| Engine Stroke Size | 61 mm | 74.4 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 790 kg | 1467 kg |
| Vehicle Length | 4140 mm | 4260 mm |
| Vehicle Width | 1590 mm | 1760 mm |
| Vehicle Height | 1290 mm | 1310 mm |
| Wheelbase Size | 2410 mm | 2270 mm |
| Fuel Tank Capacity | 43 L | 76 L |
