1990 Audi 100 vs. 1991 Opel Astra
To start off, 1991 Opel Astra is newer by 1 year(s). Which means there will be less support and parts availability for 1990 Audi 100. In addition, the cost of maintenance, including insurance, on 1990 Audi 100 would be higher. At 1,779 cc (4 cylinders), 1990 Audi 100 is equipped with a bigger engine. In terms of performance, 1991 Opel Astra (100 HP @ 5600 RPM) has 10 more horse power than 1990 Audi 100. (90 HP @ 5200 RPM) In normal driving conditions, 1991 Opel Astra should accelerate faster than 1990 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1990 Audi 100 weights approximately 74 kg more than 1991 Opel Astra.
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, 1990 Audi 100 (145 Nm @ 3000 RPM) has 10 more torque (in Nm) than 1991 Opel Astra. (135 Nm @ 3400 RPM). This means 1990 Audi 100 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 1990 Audi 100 | 1991 Opel Astra | |
| Make | Audi | Opel |
| Model | 100 | Astra |
| Year Released | 1990 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 1597 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 90 HP | 100 HP |
| Engine RPM | 5200 RPM | 5600 RPM |
| Torque | 145 Nm | 135 Nm |
| Torque RPM | 3000 RPM | 3400 RPM |
| Engine Bore Size | 81 mm | 79 mm |
| Engine Stroke Size | 86.4 mm | 81.5 mm |
| Engine Compression Ratio | 10.0:1 | 9.8:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1090 kg | 1016 kg |
| Vehicle Length | 4800 mm | 4060 mm |
| Vehicle Width | 1820 mm | 1690 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2690 mm | 2530 mm |
| Fuel Tank Capacity | 60 L | 75 L |
