1991 Opel Astra vs. 1978 Volkswagen Iltis
To start off, 1991 Opel Astra is newer by 13 year(s). Which means there will be less support and parts availability for 1978 Volkswagen Iltis. In addition, the cost of maintenance, including insurance, on 1978 Volkswagen Iltis would be higher. At 1,714 cc (4 cylinders), 1978 Volkswagen Iltis is equipped with a bigger engine. In terms of performance, 1978 Volkswagen Iltis (74 HP) has 15 more horse power than 1991 Opel Astra. (59 HP) In normal driving conditions, 1978 Volkswagen Iltis should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1978 Volkswagen Iltis weights approximately 325 kg more than 1991 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1978 Volkswagen Iltis is four wheel drive (4WD), it will have significant more traction and grip than 1991 Opel Astra. In wet, icy, snow, or gravel driving conditions, 1978 Volkswagen Iltis 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, 1978 Volkswagen Iltis (136 Nm @ 2800 RPM) has 32 more torque (in Nm) than 1991 Opel Astra. (104 Nm @ 2800 RPM). This means 1978 Volkswagen Iltis will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 1991 Opel Astra | 1978 Volkswagen Iltis | |
| Make | Opel | Volkswagen |
| Model | Astra | Iltis |
| Year Released | 1991 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 1389 cc | 1714 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 59 HP | 74 HP |
| Torque | 104 Nm | 136 Nm |
| Torque RPM | 2800 RPM | 2800 RPM |
| Engine Bore Size | 77.6 mm | 79.5 mm |
| Engine Stroke Size | 73.4 mm | 86.4 mm |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 6 seats |
| Vehicle Weight | 975 kg | 1300 kg |
| Vehicle Length | 4280 mm | 3890 mm |
| Vehicle Width | 1690 mm | 1530 mm |
| Vehicle Height | 1480 mm | 1840 mm |
| Wheelbase Size | 2530 mm | 2110 mm |
