2004 Hyundai Sonata vs. 1979 Opel Kadett
To start off, 2004 Hyundai Sonata is newer by 25 year(s). Which means there will be less support and parts availability for 1979 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1979 Opel Kadett would be higher. At 1,991 cc (4 cylinders), 2004 Hyundai Sonata is equipped with a bigger engine. In terms of performance, 2004 Hyundai Sonata (131 HP @ 5800 RPM) has 84 more horse power than 1979 Opel Kadett. (47 HP @ 5600 RPM). In normal driving conditions, 2004 Hyundai Sonata should accelerate faster than 1979 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2004 Hyundai Sonata weights approximately 635 kg more than 1979 Opel Kadett. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1979 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 1979 Opel Kadett. However, in wet, icy, snow, or gravel driving conditions, 2004 Hyundai Sonata, 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, 2004 Hyundai Sonata (191 Nm @ 4500 RPM) has 120 more torque (in Nm) than 1979 Opel Kadett. (71 Nm @ 3400 RPM). This means 2004 Hyundai Sonata will have an easier job in driving up hills or pulling heavy equipment than 1979 Opel Kadett.
Compare all specifications:
| 2004 Hyundai Sonata | 1979 Opel Kadett | |
| Make | Hyundai | Opel |
| Model | Sonata | Kadett |
| Year Released | 2004 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 993 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 131 HP | 47 HP |
| Engine RPM | 5800 RPM | 5600 RPM |
| Torque | 191 Nm | 71 Nm |
| Torque RPM | 4500 RPM | 3400 RPM |
| Engine Bore Size | 83.3 mm | 72.1 mm |
| Engine Stroke Size | 95 mm | 61 mm |
| Engine Compression Ratio | 17.7:1 | 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 Weight | 1425 kg | 790 kg |
| Vehicle Length | 4520 mm | 3900 mm |
| Vehicle Width | 1700 mm | 1590 mm |
| Vehicle Height | 1590 mm | 1320 mm |
| Wheelbase Size | 2730 mm | 2640 mm |
| Fuel Tank Capacity | 65 L | 43 L |
