2007 Opel Astra vs. 1975 Opel Kadett
To start off, 2007 Opel Astra is newer by 32 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 1,998 cc, 2007 Opel Astra is equipped with a bigger engine. In terms of performance, 2007 Opel Astra (197 HP @ 5400 RPM) has 150 more horse power than 1975 Opel Kadett. (47 HP @ 5600 RPM). In normal driving conditions, 2007 Opel Astra should accelerate faster than 1975 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 550 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 1975 Opel Kadett is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1975 Opel Kadett. However, in wet, icy, snow, or gravel driving conditions, 2007 Opel Astra, being front wheel drive (FWD), will offer much better control with better grip. 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 Astra (262 Nm @ 1950 RPM) has 191 more torque (in Nm) than 1975 Opel Kadett. (71 Nm @ 3400 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1975 Opel Kadett.
Compare all specifications:
| 2007 Opel Astra | 1975 Opel Kadett | |
| Make | Opel | Opel |
| Model | Astra | Kadett |
| Year Released | 2007 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 993 cc |
| Horse Power | 197 HP | 47 HP |
| Engine RPM | 5400 RPM | 5600 RPM |
| Torque | 262 Nm | 71 Nm |
| Torque RPM | 1950 RPM | 3400 RPM |
| Engine Bore Size | 86 mm | 72.1 mm |
| Engine Stroke Size | 86 mm | 61 mm |
| Engine Compression Ratio | 8.8:1 | 8.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1385 kg | 835 kg |
| Vehicle Length | 4300 mm | 3900 mm |
| Vehicle Width | 1760 mm | 1590 mm |
| Vehicle Height | 1440 mm | 1320 mm |
| Wheelbase Size | 2620 mm | 2520 mm |
| Fuel Consumption Overall | 9.5 L/100km | 6 L/100km |
| Fuel Tank Capacity | 52 L | 43 L |
