1987 Alfa Romeo 164 vs. 1987 Renault 21
To start off, both 1987 Alfa Romeo 164 and 1987 Renault 21 were released in the same year (1987). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,959 cc (6 cylinders), 1987 Alfa Romeo 164 is equipped with a bigger engine. In terms of performance, 1987 Alfa Romeo 164 (192 HP @ 5800 RPM) has 17 more horse power than 1987 Renault 21. (175 HP @ 5200 RPM). In normal driving conditions, 1987 Alfa Romeo 164 should accelerate faster than 1987 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1987 Alfa Romeo 164 weights approximately 175 kg more than 1987 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, 1987 Renault 21 (270 Nm @ 3000 RPM) has 25 more torque (in Nm) than 1987 Alfa Romeo 164. (245 Nm @ 3000 RPM). This means 1987 Renault 21 will have an easier job in driving up hills or pulling heavy equipment than 1987 Alfa Romeo 164.
Compare all specifications:
| 1987 Alfa Romeo 164 | 1987 Renault 21 | |
| Make | Alfa Romeo | Renault |
| Model | 164 | 21 |
| Year Released | 1987 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 192 HP | 175 HP |
| Engine RPM | 5800 RPM | 5200 RPM |
| Torque | 245 Nm | 270 Nm |
| Torque RPM | 3000 RPM | 3000 RPM |
| Engine Bore Size | 93 mm | 88 mm |
| Engine Stroke Size | 72.6 mm | 82 mm |
| Engine Compression Ratio | 9.5:1 | 8.0:1 |
| Top Speed | 230 km/hour | 227 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1365 kg | 1190 kg |
| Vehicle Length | 4650 mm | 4650 mm |
| Vehicle Width | 1760 mm | 1720 mm |
| Vehicle Height | 1400 mm | 1380 mm |
| Wheelbase Size | 2670 mm | 2610 mm |
