1986 Alfa Romeo 75 vs. 1990 Renault 21
To start off, 1990 Renault 21 is newer by 4 year(s). Which means there will be less support and parts availability for 1986 Alfa Romeo 75. In addition, the cost of maintenance, including insurance, on 1986 Alfa Romeo 75 would be higher. At 1,779 cc (4 cylinders), 1986 Alfa Romeo 75 is equipped with a bigger engine. In terms of performance, 1986 Alfa Romeo 75 (153 HP @ 5800 RPM) has 78 more horse power than 1990 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 1986 Alfa Romeo 75 should accelerate faster than 1990 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1986 Alfa Romeo 75 weights approximately 251 kg more than 1990 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1986 Alfa Romeo 75 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 1986 Alfa Romeo 75. However, in wet, icy, snow, or gravel driving conditions, 1990 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, 1986 Alfa Romeo 75 (230 Nm @ 2600 RPM) has 101 more torque (in Nm) than 1990 Renault 21. (129 Nm @ 3250 RPM). This means 1986 Alfa Romeo 75 will have an easier job in driving up hills or pulling heavy equipment than 1990 Renault 21.
Compare all specifications:
| 1986 Alfa Romeo 75 | 1990 Renault 21 | |
| Make | Alfa Romeo | Renault |
| Model | 75 | 21 |
| Year Released | 1986 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 1720 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 153 HP | 75 HP |
| Engine RPM | 5800 RPM | 5000 RPM |
| Torque | 230 Nm | 129 Nm |
| Torque RPM | 2600 RPM | 3250 RPM |
| Engine Bore Size | 80 mm | 81 mm |
| Engine Stroke Size | 88.5 mm | 83.5 mm |
| Engine Compression Ratio | 7.5:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 193 km/hour | 176 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1206 kg | 955 kg |
| Vehicle Length | 4340 mm | 4470 mm |
| Vehicle Width | 1640 mm | 1730 mm |
| Vehicle Height | 1360 mm | 1430 mm |
| Wheelbase Size | 2460 mm | 2550 mm |
| Fuel Consumption Overall | 7.6 L/100km | 7 L/100km |
| Fuel Tank Capacity | 68 L | 55 L |
