2007 Audi A4 vs. 1978 Opel Kadett
To start off, 2007 Audi A4 is newer by 29 year(s). Which means there will be less support and parts availability for 1978 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1978 Opel Kadett would be higher. At 1,984 cc (4 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (197 HP @ 5100 RPM) has 150 more horse power than 1978 Opel Kadett. (47 HP @ 5600 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 1978 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 810 kg more than 1978 Opel Kadett. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1978 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 1978 Opel Kadett. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi A4 (280 Nm @ 1800 RPM) has 209 more torque (in Nm) than 1978 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 1978 Opel Kadett. 2007 Audi A4 has automatic transmission and 1978 Opel Kadett has manual transmission. 1978 Opel Kadett will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A4 | 1978 Opel Kadett | |
| Make | Audi | Opel |
| Model | A4 | Kadett |
| Year Released | 2007 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 992 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 197 HP | 47 HP |
| Engine RPM | 5100 RPM | 5600 RPM |
| Torque | 280 Nm | 71 Nm |
| Torque RPM | 1800 RPM | 3400 RPM |
| Engine Bore Size | 82.5 mm | 72 mm |
| Engine Stroke Size | 92.8 mm | 61 mm |
| Engine Compression Ratio | 10.5:1 | 8.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1630 kg | 820 kg |
| Vehicle Length | 4580 mm | 3900 mm |
| Vehicle Width | 1400 mm | 1590 mm |
| Vehicle Height | 1780 mm | 1320 mm |
| Wheelbase Size | 2660 mm | 2520 mm |
| Fuel Consumption Overall | 8.3 L/100km | 6 L/100km |
| Fuel Tank Capacity | 70 L | 43 L |
