2004 Audi A4 vs. 1971 Opel Kadett
To start off, 2004 Audi A4 is newer by 33 year(s). Which means there will be less support and parts availability for 1971 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1971 Opel Kadett would be higher. At 1,594 cc (4 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (101 HP @ 5600 RPM) has 42 more horse power than 1971 Opel Kadett. (59 HP @ 5400 RPM). In normal driving conditions, 2004 Audi A4 should accelerate faster than 1971 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 590 kg more than 1971 Opel Kadett. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1971 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 1971 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 (148 Nm @ 3800 RPM) has 60 more torque (in Nm) than 1971 Opel Kadett. (88 Nm @ 3400 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1971 Opel Kadett.
Compare all specifications:
| 2004 Audi A4 | 1971 Opel Kadett | |
| Make | Audi | Opel |
| Model | A4 | Kadett |
| Year Released | 2004 | 1971 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1594 cc | 1196 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 101 HP | 59 HP |
| Engine RPM | 5600 RPM | 5400 RPM |
| Torque | 148 Nm | 88 Nm |
| Torque RPM | 3800 RPM | 3400 RPM |
| Engine Bore Size | 81 mm | 79 mm |
| Engine Stroke Size | 77.4 mm | 61 mm |
| Engine Compression Ratio | 10.5:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1350 kg | 760 kg |
| Vehicle Length | 4590 mm | 4190 mm |
| Vehicle Width | 1780 mm | 1590 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2660 mm | 2430 mm |
| Fuel Tank Capacity | 70 L | 40 L |
