2004 Opel Zafira vs. 1986 Renault 21
To start off, 2004 Opel Zafira is newer by 18 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 1,721 cc (4 cylinders), 1986 Renault 21 is equipped with a bigger engine. In terms of performance, 2004 Opel Zafira (99 HP @ 6000 RPM) has 9 more horse power than 1986 Renault 21. (90 HP @ 5500 RPM). In normal driving conditions, 2004 Opel Zafira should accelerate faster than 1986 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Zafira weights approximately 358 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, 2004 Opel Zafira (140 Nm @ 3800 RPM) has 5 more torque (in Nm) than 1986 Renault 21. (135 Nm @ 3500 RPM). This means 2004 Opel Zafira will have an easier job in driving up hills or pulling heavy equipment than 1986 Renault 21.
Compare all specifications:
| 2004 Opel Zafira | 1986 Renault 21 | |
| Make | Opel | Renault |
| Model | Zafira | 21 |
| Year Released | 2004 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1596 cc | 1721 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 99 HP | 90 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 140 Nm | 135 Nm |
| Torque RPM | 3800 RPM | 3500 RPM |
| Engine Bore Size | 79 mm | 81 mm |
| Engine Stroke Size | 81.5 mm | 83.5 mm |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1393 kg | 1035 kg |
| Vehicle Length | 4320 mm | 4540 mm |
| Vehicle Width | 1750 mm | 1730 mm |
| Vehicle Height | 1640 mm | 1410 mm |
| Wheelbase Size | 2710 mm | 2670 mm |
| Fuel Tank Capacity | 58 L | 38 L |
