2007 Opel Speedster vs. 1971 Opel Kadett
To start off, 2007 Opel Speedster is newer by 36 year(s). Which means there will be less support and parts availability for 1971 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1971 Opel Kadett would be higher. At 1,998 cc (4 cylinders), 2007 Opel Speedster is equipped with a bigger engine. In terms of performance, 2007 Opel Speedster (197 HP @ 5500 RPM) has 153 more horse power than 1971 Opel Kadett. (44 HP @ 5000 RPM). In normal driving conditions, 2007 Opel Speedster should accelerate faster than 1971 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Speedster weights approximately 250 kg more than 1971 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, 2007 Opel Speedster (250 Nm @ 1950 RPM) has 176 more torque (in Nm) than 1971 Opel Kadett. (74 Nm @ 2800 RPM). This means 2007 Opel Speedster will have an easier job in driving up hills or pulling heavy equipment than 1971 Opel Kadett.
Compare all specifications:
| 2007 Opel Speedster | 1971 Opel Kadett | |
| Make | Opel | Opel |
| Model | Speedster | Kadett |
| Year Released | 2007 | 1971 |
| Body Type | Convertible | Coupe |
| Engine Position | Middle | Front |
| Engine Size | 1998 cc | 1077 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 197 HP | 44 HP |
| Engine RPM | 5500 RPM | 5000 RPM |
| Torque | 250 Nm | 74 Nm |
| Torque RPM | 1950 RPM | 2800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1005 kg | 755 kg |
| Vehicle Length | 3790 mm | 4190 mm |
| Vehicle Width | 1710 mm | 1590 mm |
| Vehicle Height | 1120 mm | 1420 mm |
| Wheelbase Size | 2340 mm | 2430 mm |
