2003 Opel Astra vs. 1984 Renault 18
To start off, 2003 Opel Astra is newer by 19 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 1,397 cc (4 cylinders), 1984 Renault 18 is equipped with a bigger engine. In terms of performance, 2003 Opel Astra (89 HP @ 6000 RPM) has 26 more horse power than 1984 Renault 18. (63 HP @ 5500 RPM). In normal driving conditions, 2003 Opel Astra should accelerate faster than 1984 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Astra weights approximately 200 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, 2003 Opel Astra (125 Nm @ 4000 RPM) has 22 more torque (in Nm) than 1984 Renault 18. (103 Nm @ 3000 RPM). This means 2003 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1984 Renault 18.
Compare all specifications:
| 2003 Opel Astra | 1984 Renault 18 | |
| Make | Opel | Renault |
| Model | Astra | 18 |
| Year Released | 2003 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 1388 cc | 1397 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 89 HP | 63 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 125 Nm | 103 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 77.6 mm | 76 mm |
| Engine Stroke Size | 73.4 mm | 77 mm |
| Engine Compression Ratio | 10.5:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1190 kg | 990 kg |
| Vehicle Length | 4260 mm | 4410 mm |
| Vehicle Width | 1720 mm | 1710 mm |
| Vehicle Height | 1470 mm | 1410 mm |
| Wheelbase Size | 2620 mm | 2450 mm |
| Fuel Tank Capacity | 52 L | 60 L |
