1986 Alfa Romeo 75 vs. 1989 Renault 21
To start off, 1989 Renault 21 is newer by 3 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 2,492 cc (6 cylinders), 1986 Alfa Romeo 75 is equipped with a bigger engine. In terms of performance, 1986 Alfa Romeo 75 (153 HP @ 5600 RPM) has 61 more horse power than 1989 Renault 21. (92 HP @ 5750 RPM). In normal driving conditions, 1986 Alfa Romeo 75 should accelerate faster than 1989 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1986 Alfa Romeo 75 weights approximately 78 kg more than 1989 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, 1989 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 (210 Nm @ 4000 RPM) has 75 more torque (in Nm) than 1989 Renault 21. (135 Nm @ 3000 RPM). This means 1986 Alfa Romeo 75 will have an easier job in driving up hills or pulling heavy equipment than 1989 Renault 21.
Compare all specifications:
| 1986 Alfa Romeo 75 | 1989 Renault 21 | |
| Make | Alfa Romeo | Renault |
| Model | 75 | 21 |
| Year Released | 1986 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1721 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 153 HP | 92 HP |
| Engine RPM | 5600 RPM | 5750 RPM |
| Torque | 210 Nm | 135 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 88 mm | 81 mm |
| Engine Stroke Size | 68.3 mm | 83.5 mm |
| Engine Compression Ratio | 9.0:1 | 9.5:1 |
| Top Speed | 209 km/hour | 179 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1164 kg | 1086 kg |
| Vehicle Length | 4340 mm | 4470 mm |
| Vehicle Width | 1640 mm | 1730 mm |
| Vehicle Height | 1360 mm | 1410 mm |
| Wheelbase Size | 2520 mm | 2550 mm |
