1998 Opel Astra vs. 1987 Renault 21
To start off, 1998 Opel Astra is newer by 11 year(s). Which means there will be less support and parts availability for 1987 Renault 21. In addition, the cost of maintenance, including insurance, on 1987 Renault 21 would be higher. At 1,721 cc (4 cylinders), 1987 Renault 21 is equipped with a bigger engine. In terms of performance, 1987 Renault 21 (75 HP @ 5000 RPM) has 1 more horse power than 1998 Opel Astra. (74 HP @ 5200 RPM) In normal driving conditions, 1987 Renault 21 should accelerate faster than 1998 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1998 Opel Astra weights approximately 165 kg more than 1987 Renault 21.
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, both vehicles can yield 130 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 1998 Opel Astra | 1987 Renault 21 | |
| Make | Opel | Renault |
| Model | Astra | 21 |
| Year Released | 1998 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 1596 cc | 1721 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 74 HP | 75 HP |
| Engine RPM | 5200 RPM | 5000 RPM |
| Torque | 130 Nm | 130 Nm |
| Torque RPM | 2800 RPM | 3250 RPM |
| Engine Bore Size | 85 mm | 81 mm |
| Engine Stroke Size | 69.8 mm | 83.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1120 kg | 955 kg |
| Vehicle Length | 4060 mm | 4470 mm |
| Vehicle Width | 1700 mm | 1730 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2620 mm | 2550 mm |
