2005 Audi A4 vs. 1979 Opel Kadett
To start off, 2005 Audi A4 is newer by 26 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 1,984 cc (4 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (148 HP @ 6000 RPM) has 58 more horse power than 1979 Opel Kadett. (90 HP @ 5800 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 1979 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 435 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2005 Audi A4 (200 Nm @ 3500 RPM) has 74 more torque (in Nm) than 1979 Opel Kadett. (126 Nm @ 3800 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1979 Opel Kadett.
Compare all specifications:
| 2005 Audi A4 | 1979 Opel Kadett | |
| Make | Audi | Opel |
| Model | A4 | Kadett |
| Year Released | 2005 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 90 HP |
| Engine RPM | 6000 RPM | 5800 RPM |
| Torque | 200 Nm | 126 Nm |
| Torque RPM | 3500 RPM | 3800 RPM |
| Engine Bore Size | 82.6 mm | 80 mm |
| Engine Stroke Size | 92.8 mm | 79.5 mm |
| Engine Compression Ratio | 11.5:1 | 9.2:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1405 kg | 970 kg |
| Vehicle Length | 4550 mm | 4000 mm |
| Vehicle Width | 1780 mm | 1650 mm |
| Vehicle Height | 1430 mm | 1390 mm |
| Wheelbase Size | 2660 mm | 2520 mm |
| Fuel Tank Capacity | 70 L | 42 L |
