1989 Renault 21 vs. 1989 Alfa Romeo 164
To start off, both 1989 Renault 21 and 1989 Alfa Romeo 164 were released in the same year (1989). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,500 cc (4 cylinders), 1989 Alfa Romeo 164 is equipped with a bigger engine. In terms of performance, 1989 Alfa Romeo 164 (123 HP @ 4200 RPM) has 32 more horse power than 1989 Renault 21. (91 HP @ 5200 RPM) In normal driving conditions, 1989 Alfa Romeo 164 should accelerate faster than 1989 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1989 Alfa Romeo 164 weights approximately 415 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.
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, 1989 Alfa Romeo 164 (294 Nm @ 2000 RPM) has 156 more torque (in Nm) than 1989 Renault 21. (138 Nm @ 3500 RPM). This means 1989 Alfa Romeo 164 will have an easier job in driving up hills or pulling heavy equipment than 1989 Renault 21.
Compare all specifications:
| 1989 Renault 21 | 1989 Alfa Romeo 164 | |
| Make | Renault | Alfa Romeo |
| Model | 21 | 164 |
| Year Released | 1989 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 1721 cc | 2500 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 91 HP | 123 HP |
| Engine RPM | 5200 RPM | 4200 RPM |
| Torque | 138 Nm | 294 Nm |
| Torque RPM | 3500 RPM | 2000 RPM |
| Engine Compression Ratio | 10.0:1 | 22.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1075 kg | 1490 kg |
| Vehicle Length | 4650 mm | 4560 mm |
| Vehicle Width | 1720 mm | 1770 mm |
| Vehicle Height | 1430 mm | 1410 mm |
| Wheelbase Size | 2820 mm | 2670 mm |
