2005 Opel Astra vs. 1986 Renault 18
To start off, 2005 Opel Astra is newer by 19 year(s). Which means there will be less support and parts availability for 1986 Renault 18. In addition, the cost of maintenance, including insurance, on 1986 Renault 18 would be higher. At 1,993 cc (4 cylinders), 1986 Renault 18 is equipped with a bigger engine. In terms of performance, both vehicles can yield 104 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 100 kg more than 1986 Renault 18.
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, 1986 Renault 18 (163 Nm @ 3250 RPM) has 13 more torque (in Nm) than 2005 Opel Astra. (150 Nm @ 3900 RPM). This means 1986 Renault 18 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2005 Opel Astra | 1986 Renault 18 | |
| Make | Opel | Renault |
| Model | Astra | 18 |
| Year Released | 2005 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1993 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 104 HP | 104 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 150 Nm | 163 Nm |
| Torque RPM | 3900 RPM | 3250 RPM |
| Engine Bore Size | 79 mm | 88 mm |
| Engine Stroke Size | 81.5 mm | 82 mm |
| Engine Compression Ratio | 10.5:1 | 9.2:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1235 kg | 1135 kg |
| Vehicle Length | 4300 mm | 4470 mm |
| Vehicle Width | 1760 mm | 1710 mm |
| Vehicle Height | 1440 mm | 1410 mm |
