1991 Audi 100 vs. 1978 Opel Kadett
To start off, 1991 Audi 100 is newer by 13 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 2,226 cc (5 cylinders), 1991 Audi 100 is equipped with a bigger engine. In terms of performance, 1991 Audi 100 (226 HP @ 5900 RPM) has 175 more horse power than 1978 Opel Kadett. (51 HP @ 5600 RPM). In normal driving conditions, 1991 Audi 100 should accelerate faster than 1978 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi 100 weights approximately 824 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 1991 Audi 100 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Opel Kadett. In wet, icy, snow, or gravel driving conditions, 1991 Audi 100 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, 1991 Audi 100 (350 Nm @ 1950 RPM) has 270 more torque (in Nm) than 1978 Opel Kadett. (80 Nm @ 3400 RPM). This means 1991 Audi 100 will have an easier job in driving up hills or pulling heavy equipment than 1978 Opel Kadett.
Compare all specifications:
| 1991 Audi 100 | 1978 Opel Kadett | |
| Make | Audi | Opel |
| Model | 100 | Kadett |
| Year Released | 1991 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 1196 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 226 HP | 51 HP |
| Engine RPM | 5900 RPM | 5600 RPM |
| Torque | 350 Nm | 80 Nm |
| Torque RPM | 1950 RPM | 3400 RPM |
| Engine Bore Size | 81 mm | 79 mm |
| Engine Stroke Size | 86.4 mm | 61 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1614 kg | 790 kg |
| Vehicle Length | 4800 mm | 4140 mm |
| Vehicle Width | 1810 mm | 1590 mm |
| Vehicle Height | 1450 mm | 1290 mm |
| Wheelbase Size | 2700 mm | 2410 mm |
| Fuel Tank Capacity | 80 L | 43 L |
