2008 Audi A4 vs. 1975 Opel Kadett
To start off, 2008 Audi A4 is newer by 33 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 2,975 cc (6 cylinders), 2008 Audi A4 is equipped with a bigger engine. In terms of performance, 2008 Audi A4 (217 HP @ 6300 RPM) has 166 more horse power than 1975 Opel Kadett. (51 HP @ 5600 RPM). In normal driving conditions, 2008 Audi A4 should accelerate faster than 1975 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A4 weights approximately 885 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 2008 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, 2008 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, 2008 Audi A4 (300 Nm @ 3200 RPM) has 220 more torque (in Nm) than 1975 Opel Kadett. (80 Nm @ 3400 RPM). This means 2008 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1975 Opel Kadett.
Compare all specifications:
| 2008 Audi A4 | 1975 Opel Kadett | |
| Make | Audi | Opel |
| Model | A4 | Kadett |
| Year Released | 2008 | 1975 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2975 cc | 1196 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 217 HP | 51 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 300 Nm | 80 Nm |
| Torque RPM | 3200 RPM | 3400 RPM |
| Engine Bore Size | 82.5 mm | 79 mm |
| Engine Stroke Size | 92.8 mm | 61 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1675 kg | 790 kg |
| Vehicle Length | 4580 mm | 4140 mm |
| Vehicle Width | 1780 mm | 1590 mm |
| Vehicle Height | 1400 mm | 1290 mm |
| Wheelbase Size | 2660 mm | 2410 mm |
| Fuel Tank Capacity | 66 L | 43 L |
