1977 Opel Kadett vs. 2007 Opel Vectra
To start off, 2007 Opel Vectra is newer by 30 year(s). Which means there will be less support and parts availability for 1977 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1977 Opel Kadett would be higher. At 2,791 cc (6 cylinders), 2007 Opel Vectra is equipped with a bigger engine. In terms of performance, 2007 Opel Vectra (276 HP @ 5500 RPM) has 201 more horse power than 1977 Opel Kadett. (75 HP @ 5100 RPM) In normal driving conditions, 2007 Opel Vectra should accelerate faster than 1977 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Vectra weights approximately 783 kg more than 1977 Opel Kadett. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1977 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 1977 Opel Kadett. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Opel Vectra (355 Nm @ 1800 RPM) has 242 more torque (in Nm) than 1977 Opel Kadett. (113 Nm @ 4200 RPM). This means 2007 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1977 Opel Kadett.
Compare all specifications:
| 1977 Opel Kadett | 2007 Opel Vectra | |
| Make | Opel | Opel |
| Model | Kadett | Vectra |
| Year Released | 1977 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 2791 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 75 HP | 276 HP |
| Engine RPM | 5100 RPM | 5500 RPM |
| Torque | 113 Nm | 355 Nm |
| Torque RPM | 4200 RPM | 1800 RPM |
| Engine Bore Size | 85 mm | 89 mm |
| Engine Stroke Size | 69.8 mm | 74.8 mm |
| Engine Compression Ratio | 8.8:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 155 km/hour | 250 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 830 kg | 1613 kg |
| Vehicle Length | 4150 mm | 4830 mm |
| Vehicle Width | 1590 mm | 1800 mm |
| Vehicle Height | 1340 mm | 1490 mm |
| Wheelbase Size | 2680 mm | 2840 mm |
| Fuel Consumption Overall | 7.5 L/100km | 10.4 L/100km |
| Fuel Tank Capacity | 43 L | 61 L |
