2007 Audi A4 vs. 1979 Opel Kadett
To start off, 2007 Audi A4 is newer by 28 year(s). Which means there will be less support and parts availability for 1979 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1979 Opel Kadett would be higher. At 3,123 cc, 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (252 HP @ 5100 RPM) has 205 more horse power than 1979 Opel Kadett. (47 HP @ 5600 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 1979 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 908 kg more than 1979 Opel Kadett. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 Audi A4 (330 Nm @ 3250 RPM) has 259 more torque (in Nm) than 1979 Opel Kadett. (71 Nm @ 3400 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1979 Opel Kadett.
Compare all specifications:
| 2007 Audi A4 | 1979 Opel Kadett | |
| Make | Audi | Opel |
| Model | A4 | Kadett |
| Year Released | 2007 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 993 cc |
| Horse Power | 252 HP | 47 HP |
| Engine RPM | 5100 RPM | 5600 RPM |
| Torque | 330 Nm | 71 Nm |
| Torque RPM | 3250 RPM | 3400 RPM |
| Engine Bore Size | 84.5 mm | 72.1 mm |
| Engine Stroke Size | 92.8 mm | 61 mm |
| Engine Compression Ratio | 12.5:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1698 kg | 790 kg |
| Vehicle Length | 4580 mm | 3900 mm |
| Vehicle Width | 1400 mm | 1590 mm |
| Vehicle Height | 1780 mm | 1320 mm |
| Wheelbase Size | 2660 mm | 2640 mm |
| Fuel Consumption Overall | 11 L/100km | 6 L/100km |
| Fuel Tank Capacity | 70 L | 43 L |
