2003 Opel Vectra vs. 1975 Opel Kadett
To start off, 2003 Opel Vectra is newer by 28 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 1,796 cc (4 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (125 HP @ 6000 RPM) has 78 more horse power than 1975 Opel Kadett. (47 HP @ 5600 RPM). In normal driving conditions, 2003 Opel Vectra should accelerate faster than 1975 Opel Kadett.
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, 2003 Opel Vectra, 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, 2003 Opel Vectra (170 Nm @ 3800 RPM) has 99 more torque (in Nm) than 1975 Opel Kadett. (71 Nm @ 3400 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1975 Opel Kadett.
Compare all specifications:
| 2003 Opel Vectra | 1975 Opel Kadett | |
| Make | Opel | Opel |
| Model | Vectra | Kadett |
| Year Released | 2003 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 993 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 125 HP | 47 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 170 Nm | 71 Nm |
| Torque RPM | 3800 RPM | 3400 RPM |
| Engine Bore Size | 80.5 mm | 72.1 mm |
| Engine Stroke Size | 88.2 mm | 61 mm |
| Engine Compression Ratio | 10.5:1 | 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 | 4 doors | 3 doors |
| Vehicle Length | 4600 mm | 3900 mm |
| Vehicle Width | 1800 mm | 1590 mm |
| Vehicle Height | 1470 mm | 1320 mm |
| Wheelbase Size | 2710 mm | 2520 mm |
| Fuel Tank Capacity | 61 L | 43 L |
