1986 Renault 21 vs. 2010 Opel Astra
To start off, 2010 Opel Astra is newer by 24 year(s). Which means there will be less support and parts availability for 1986 Renault 21. In addition, the cost of maintenance, including insurance, on 1986 Renault 21 would be higher. At 1,998 cc (4 cylinders), 2010 Opel Astra is equipped with a bigger engine. In terms of performance, 2010 Opel Astra (197 HP @ 5600 RPM) has 107 more horse power than 1986 Renault 21. (90 HP @ 5500 RPM) In normal driving conditions, 2010 Opel Astra should accelerate faster than 1986 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2010 Opel Astra weights approximately 350 kg more than 1986 Renault 21. 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, 2010 Opel Astra (262 Nm @ 4200 RPM) has 127 more torque (in Nm) than 1986 Renault 21. (135 Nm @ 3500 RPM). This means 2010 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1986 Renault 21.
Compare all specifications:
| 1986 Renault 21 | 2010 Opel Astra | |
| Make | Renault | Opel |
| Model | 21 | Astra |
| Year Released | 1986 | 2010 |
| Engine Position | Front | Front |
| Engine Size | 1721 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 90 HP | 197 HP |
| Engine RPM | 5500 RPM | 5600 RPM |
| Torque | 135 Nm | 262 Nm |
| Torque RPM | 3500 RPM | 4200 RPM |
| Engine Bore Size | 81 mm | 86.1 mm |
| Engine Stroke Size | 83.5 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1035 kg | 1385 kg |
| Vehicle Length | 4540 mm | 4260 mm |
| Vehicle Width | 1730 mm | 1760 mm |
| Vehicle Height | 1410 mm | 1470 mm |
| Wheelbase Size | 2670 mm | 2620 mm |
| Fuel Tank Capacity | 38 L | 52 L |
