1977 Alfa Romeo Giulietta vs. 1986 Renault 21
To start off, 1986 Renault 21 is newer by 9 year(s). Which means there will be less support and parts availability for 1977 Alfa Romeo Giulietta. In addition, the cost of maintenance, including insurance, on 1977 Alfa Romeo Giulietta would be higher. At 1,995 cc (4 cylinders), 1986 Renault 21 is equipped with a bigger engine. In terms of performance, 1986 Renault 21 (175 HP @ 5200 RPM) has 67 more horse power than 1977 Alfa Romeo Giulietta. (108 HP @ 5600 RPM) In normal driving conditions, 1986 Renault 21 should accelerate faster than 1977 Alfa Romeo Giulietta. With that said, vehicle weight also plays an important factor in acceleration. 1986 Renault 21 weights approximately 275 kg more than 1977 Alfa Romeo Giulietta. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1986 Renault 21 is four wheel drive (4WD), it will have significant more traction and grip than 1977 Alfa Romeo Giulietta. In wet, icy, snow, or gravel driving conditions, 1986 Renault 21 will offer significantly more control. 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, 1986 Renault 21 (275 Nm @ 3000 RPM) has 131 more torque (in Nm) than 1977 Alfa Romeo Giulietta. (144 Nm @ 4300 RPM). This means 1986 Renault 21 will have an easier job in driving up hills or pulling heavy equipment than 1977 Alfa Romeo Giulietta.
Compare all specifications:
| 1977 Alfa Romeo Giulietta | 1986 Renault 21 | |
| Make | Alfa Romeo | Renault |
| Model | Giulietta | 21 |
| Year Released | 1977 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 108 HP | 175 HP |
| Engine RPM | 5600 RPM | 5200 RPM |
| Torque | 144 Nm | 275 Nm |
| Torque RPM | 4300 RPM | 3000 RPM |
| Engine Bore Size | 78 mm | 88 mm |
| Engine Stroke Size | 82 mm | 82 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1070 kg | 1345 kg |
| Vehicle Length | 4220 mm | 4540 mm |
| Vehicle Width | 1660 mm | 1730 mm |
| Vehicle Height | 1410 mm | 1430 mm |
| Wheelbase Size | 2520 mm | 2670 mm |
