2005 Audi A4 vs. 1975 Opel Kadett
To start off, 2005 Audi A4 is newer by 30 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 2,983 cc (6 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (223 HP @ 6500 RPM) has 172 more horse power than 1975 Opel Kadett. (51 HP @ 5600 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 1975 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 875 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 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1975 Opel Kadett. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi A4 (300 Nm) has 219 more torque (in Nm) than 1975 Opel Kadett. (81 Nm). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1975 Opel Kadett.
Compare all specifications:
| 2005 Audi A4 | 1975 Opel Kadett | |
| Make | Audi | Opel |
| Model | A4 | Kadett |
| Year Released | 2005 | 1975 |
| 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 | 223 HP | 51 HP |
| Engine RPM | 6500 RPM | 5600 RPM |
| Torque | 300 Nm | 81 Nm |
| Engine Bore Size | 83.1 mm | 79 mm |
| Engine Stroke Size | 93 mm | 61 mm |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1695 kg | 820 kg |
| Vehicle Length | 4550 mm | 4150 mm |
| Vehicle Width | 1770 mm | 1590 mm |
| Vehicle Height | 1430 mm | 1340 mm |
| Wheelbase Size | 2580 mm | 2410 mm |
| Fuel Tank Capacity | 66 L | 43 L |
