2004 Audi A4 vs. 1979 Opel Kadett
To start off, 2004 Audi A4 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 2,976 cc (6 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (223 HP @ 6300 RPM) has 133 more horse power than 1979 Opel Kadett. (90 HP @ 5800 RPM). In normal driving conditions, 2004 Audi A4 should accelerate faster than 1979 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 640 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 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1979 Opel Kadett. In wet, icy, snow, or gravel driving conditions, 2004 Audi A4 will offer significantly more control. 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 Audi A4 (300 Nm @ 3200 RPM) has 174 more torque (in Nm) than 1979 Opel Kadett. (126 Nm @ 3800 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1979 Opel Kadett.
Compare all specifications:
| 2004 Audi A4 | 1979 Opel Kadett | |
| Make | Audi | Opel |
| Model | A4 | Kadett |
| Year Released | 2004 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 223 HP | 90 HP |
| Engine RPM | 6300 RPM | 5800 RPM |
| Torque | 300 Nm | 126 Nm |
| Torque RPM | 3200 RPM | 3800 RPM |
| Engine Bore Size | 82.5 mm | 80 mm |
| Engine Stroke Size | 92.8 mm | 79.5 mm |
| Engine Compression Ratio | 11.0:1 | 9.2:1 |
| Top Speed | 236 km/hour | 170 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1610 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 | 66 L | 42 L |
