1977 Audi 100 vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 28 year(s). Which means there will be less support and parts availability for 1977 Audi 100. In addition, the cost of maintenance, including insurance, on 1977 Audi 100 would be higher. At 2,198 cc (4 cylinders), 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (145 HP @ 5800 RPM) has 30 more horse power than 1977 Audi 100. (115 HP @ 5500 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 1977 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 138 kg more than 1977 Audi 100. 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, 2005 Opel Astra (203 Nm @ 4000 RPM) has 37 more torque (in Nm) than 1977 Audi 100. (166 Nm @ 4000 RPM). This means 2005 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1977 Audi 100.
Compare all specifications:
| 1977 Audi 100 | 2005 Opel Astra | |
| Make | Audi | Opel |
| Model | 100 | Astra |
| Year Released | 1977 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2144 cc | 2198 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 115 HP | 145 HP |
| Engine RPM | 5500 RPM | 5800 RPM |
| Torque | 166 Nm | 203 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Compression Ratio | 8.2:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1160 kg | 1298 kg |
| Vehicle Length | 4690 mm | 4270 mm |
| Vehicle Width | 1770 mm | 1720 mm |
| Vehicle Height | 1400 mm | 1400 mm |
| Wheelbase Size | 2680 mm | 2620 mm |
| Fuel Tank Capacity | 58 L | 52 L |
