1994 Opel Astra vs. 1984 Renault 18
To start off, 1994 Opel Astra is newer by 10 year(s). Which means there will be less support and parts availability for 1984 Renault 18. In addition, the cost of maintenance, including insurance, on 1984 Renault 18 would be higher. At 1,647 cc (4 cylinders), 1984 Renault 18 is equipped with a bigger engine. In terms of performance, 1994 Opel Astra (81 HP @ 5800 RPM) has 3 more horse power than 1984 Renault 18. (78 HP @ 5000 RPM). In normal driving conditions, 1994 Opel Astra should accelerate faster than 1984 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 1994 Opel Astra weights approximately 50 kg more than 1984 Renault 18. 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, 1984 Renault 18 (136 Nm @ 3000 RPM) has 22 more torque (in Nm) than 1994 Opel Astra. (114 Nm @ 3400 RPM). This means 1984 Renault 18 will have an easier job in driving up hills or pulling heavy equipment than 1994 Opel Astra.
Compare all specifications:
| 1994 Opel Astra | 1984 Renault 18 | |
| Make | Opel | Renault |
| Model | Astra | 18 |
| Year Released | 1994 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 1389 cc | 1647 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 81 HP | 78 HP |
| Engine RPM | 5800 RPM | 5000 RPM |
| Torque | 114 Nm | 136 Nm |
| Torque RPM | 3400 RPM | 3000 RPM |
| Engine Bore Size | 77.7 mm | 81 mm |
| Engine Stroke Size | 73.4 mm | 83.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Vehicle Weight | 1075 kg | 1025 kg |
| Vehicle Length | 4250 mm | 4470 mm |
| Vehicle Width | 1690 mm | 1710 mm |
| Vehicle Height | 1410 mm | 1410 mm |
