1977 Opel Kadett vs. 2003 Opel Vectra
To start off, 2003 Opel Vectra is newer by 26 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 1,796 cc (4 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (108 HP @ 5600 RPM) has 34 more horse power than 1977 Opel Kadett. (74 HP @ 5100 RPM) In normal driving conditions, 2003 Opel Vectra should accelerate faster than 1977 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 514 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, 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 (164 Nm @ 3800 RPM) has 51 more torque (in Nm) than 1977 Opel Kadett. (113 Nm @ 3800 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1977 Opel Kadett. 1977 Opel Kadett has automatic transmission and 2003 Opel Vectra has manual transmission. 2003 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1977 Opel Kadett will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1977 Opel Kadett | 2003 Opel Vectra | |
| Make | Opel | Opel |
| Model | Kadett | Vectra |
| Year Released | 1977 | 2003 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 74 HP | 108 HP |
| Engine RPM | 5100 RPM | 5600 RPM |
| Torque | 113 Nm | 164 Nm |
| Torque RPM | 3800 RPM | 3800 RPM |
| Engine Bore Size | 85 mm | 80.5 mm |
| Engine Stroke Size | 69.8 mm | 88.2 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 830 kg | 1344 kg |
| Vehicle Length | 4140 mm | 4600 mm |
| Vehicle Width | 1590 mm | 1800 mm |
| Vehicle Height | 1320 mm | 1470 mm |
| Wheelbase Size | 2410 mm | 2710 mm |
| Fuel Tank Capacity | 43 L | 60 L |
