2004 Audi A4 vs. 1975 Opel Kadett
To start off, 2004 Audi A4 is newer by 29 year(s). Which means there will be less support and parts availability for 1975 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1975 Opel Kadett would be higher. At 1,897 cc (4 cylinders), 1975 Opel Kadett is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (170 HP @ 6500 RPM) has 72 more horse power than 1975 Opel Kadett. (98 HP @ 5200 RPM). In normal driving conditions, 2004 Audi A4 should accelerate faster than 1975 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 820 kg more than 1975 Opel Kadett. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 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 1975 Opel Kadett. However, in wet, icy, snow, or gravel driving conditions, 2004 Audi A4, 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 Audi A4 (235 Nm) has 87 more torque (in Nm) than 1975 Opel Kadett. (148 Nm). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1975 Opel Kadett.
Compare all specifications:
| 2004 Audi A4 | 1975 Opel Kadett | |
| Make | Audi | Opel |
| Model | A4 | Kadett |
| Year Released | 2004 | 1975 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1784 cc | 1897 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 170 HP | 98 HP |
| Engine RPM | 6500 RPM | 5200 RPM |
| Torque | 235 Nm | 148 Nm |
| Engine Bore Size | 81 mm | 93 mm |
| Engine Stroke Size | 86 mm | 69.8 mm |
| Engine Compression Ratio | 9.3:1 | 9.2:1 |
| Drive Type | Front | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1650 kg | 830 kg |
| Vehicle Length | 4580 mm | 4130 mm |
| Vehicle Width | 1780 mm | 1590 mm |
| Vehicle Height | 1400 mm | 1290 mm |
| Wheelbase Size | 2580 mm | 2520 mm |
| Fuel Consumption Overall | 9.1 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 70 L | 43 L |
