1981 Audi 80 vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 24 year(s). Which means there will be less support and parts availability for 1981 Audi 80. In addition, the cost of maintenance, including insurance, on 1981 Audi 80 would be higher. At 2,172 cc (4 cylinders), 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (149 HP @ 5800 RPM) has 13 more horse power than 1981 Audi 80. (136 HP @ 5900 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 1981 Audi 80. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 203 kg more than 1981 Audi 80. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1981 Audi 80 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Astra. In wet, icy, snow, or gravel driving conditions, 1981 Audi 80 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, 2005 Opel Astra (203 Nm @ 4000 RPM) has 27 more torque (in Nm) than 1981 Audi 80. (176 Nm @ 4500 RPM). This means 2005 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1981 Audi 80.
Compare all specifications:
| 1981 Audi 80 | 2005 Opel Astra | |
| Make | Audi | Opel |
| Model | 80 | Astra |
| Year Released | 1981 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2144 cc | 2172 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 136 HP | 149 HP |
| Engine RPM | 5900 RPM | 5800 RPM |
| Torque | 176 Nm | 203 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Engine Bore Size | 79.5 mm | 86 mm |
| Engine Stroke Size | 86.4 mm | 94.6 mm |
| Engine Compression Ratio | 9.3:1 | 10.0:1 |
| Top Speed | 193 km/hour | 216 km/hour |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1190 kg | 1393 kg |
| Vehicle Length | 4390 mm | 4270 mm |
| Vehicle Width | 1690 mm | 1720 mm |
| Vehicle Height | 1360 mm | 1400 mm |
| Wheelbase Size | 2550 mm | 2710 mm |
