1981 Alfa Romeo Alfa 6 vs. 1986 Renault 21
To start off, 1986 Renault 21 is newer by 5 year(s). Which means there will be less support and parts availability for 1981 Alfa Romeo Alfa 6. In addition, the cost of maintenance, including insurance, on 1981 Alfa Romeo Alfa 6 would be higher. At 2,494 cc (5 cylinders), 1981 Alfa Romeo Alfa 6 is equipped with a bigger engine. In terms of performance, 1981 Alfa Romeo Alfa 6 (104 HP @ 4300 RPM) has 17 more horse power than 1986 Renault 21. (87 HP @ 4250 RPM). In normal driving conditions, 1981 Alfa Romeo Alfa 6 should accelerate faster than 1986 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1981 Alfa Romeo Alfa 6 weights approximately 445 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.
Because 1981 Alfa Romeo Alfa 6 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1981 Alfa Romeo Alfa 6. However, in wet, icy, snow, or gravel driving conditions, 1986 Renault 21, being front wheel drive (FWD), will offer much better control with better grip. 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, 1981 Alfa Romeo Alfa 6 (206 Nm @ 2400 RPM) has 21 more torque (in Nm) than 1986 Renault 21. (185 Nm @ 2000 RPM). This means 1981 Alfa Romeo Alfa 6 will have an easier job in driving up hills or pulling heavy equipment than 1986 Renault 21.
Compare all specifications:
| 1981 Alfa Romeo Alfa 6 | 1986 Renault 21 | |
| Make | Alfa Romeo | Renault |
| Model | Alfa 6 | 21 |
| Year Released | 1981 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2067 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 104 HP | 87 HP |
| Engine RPM | 4300 RPM | 4250 RPM |
| Torque | 206 Nm | 185 Nm |
| Torque RPM | 2400 RPM | 2000 RPM |
| Engine Bore Size | 88 mm | 86 mm |
| Engine Stroke Size | 82 mm | 89 mm |
| Engine Compression Ratio | 22.0:1 | 21.0:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1580 kg | 1135 kg |
| Vehicle Length | 4690 mm | 4540 mm |
| Vehicle Width | 1690 mm | 1720 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2610 mm | 2670 mm |
