2001 Audi A4 vs. 1971 Opel Kadett
To start off, 2001 Audi A4 is newer by 30 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 2,983 cc (6 cylinders), 2001 Audi A4 is equipped with a bigger engine. In terms of performance, 2001 Audi A4 (237 HP @ 6300 RPM) has 178 more horse power than 1971 Opel Kadett. (59 HP @ 5400 RPM). In normal driving conditions, 2001 Audi A4 should accelerate faster than 1971 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2001 Audi A4 weights approximately 812 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 2001 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Opel Kadett. In wet, icy, snow, or gravel driving conditions, 2001 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, 2001 Audi A4 (339 Nm @ 3200 RPM) has 251 more torque (in Nm) than 1971 Opel Kadett. (88 Nm @ 3400 RPM). This means 2001 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1971 Opel Kadett.
Compare all specifications:
| 2001 Audi A4 | 1971 Opel Kadett | |
| Make | Audi | Opel |
| Model | A4 | Kadett |
| Year Released | 2001 | 1971 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 1196 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 237 HP | 59 HP |
| Engine RPM | 6300 RPM | 5400 RPM |
| Torque | 339 Nm | 88 Nm |
| Torque RPM | 3200 RPM | 3400 RPM |
| Engine Bore Size | 82.5 mm | 79 mm |
| Engine Stroke Size | 92.8 mm | 61 mm |
| Engine Compression Ratio | 10.5:1 | 9.0:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1572 kg | 760 kg |
| Vehicle Length | 4550 mm | 4190 mm |
| Vehicle Width | 1770 mm | 1590 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2660 mm | 2430 mm |
| Fuel Tank Capacity | 66 L | 40 L |
