1998 Opel Astra vs. 1991 Opel Astra
To start off, 1998 Opel Astra is newer by 7 year(s). Which means there will be less support and parts availability for 1991 Opel Astra. In addition, the cost of maintenance, including insurance, on 1991 Opel Astra would be higher. At 1,998 cc (4 cylinders), 1998 Opel Astra is equipped with a bigger engine. In terms of performance, 1998 Opel Astra (85 HP @ 4400 RPM) has 29 more horse power than 1991 Opel Astra. (56 HP @ 4600 RPM). In normal driving conditions, 1998 Opel Astra should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1998 Opel Astra weights approximately 245 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 1998 Opel Astra (185 Nm @ 1800 RPM) has 80 more torque (in Nm) than 1991 Opel Astra. (105 Nm @ 2400 RPM). This means 1998 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 1998 Opel Astra | 1991 Opel Astra | |
| Make | Opel | Opel |
| Model | Astra | Astra |
| Year Released | 1998 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1698 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 56 HP |
| Engine RPM | 4400 RPM | 4600 RPM |
| Torque | 185 Nm | 105 Nm |
| Torque RPM | 1800 RPM | 2400 RPM |
| Engine Bore Size | 84 mm | 82.5 mm |
| Engine Stroke Size | 90 mm | 79.5 mm |
| Engine Compression Ratio | 6.0:1 | 23.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1280 kg | 1035 kg |
| Vehicle Length | 4300 mm | 4250 mm |
| Vehicle Width | 1720 mm | 1690 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2620 mm | 2530 mm |
