1987 Alfa Romeo 164 vs. 1986 Renault 21
To start off, 1987 Alfa Romeo 164 is newer by 1 year(s). Which means there will be less support and parts availability for 1986 Renault 21. In addition, the cost of maintenance, including insurance, on 1986 Renault 21 would be higher. At 2,492 cc (4 cylinders), 1987 Alfa Romeo 164 is equipped with a bigger engine. In terms of performance, 1987 Alfa Romeo 164 (123 HP @ 4200 RPM) has 36 more horse power than 1986 Renault 21. (87 HP @ 5500 RPM). In normal driving conditions, 1987 Alfa Romeo 164 should accelerate faster than 1986 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1987 Alfa Romeo 164 weights approximately 460 kg more than 1986 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 Alfa Romeo 164 (294 Nm @ 2000 RPM) has 156 more torque (in Nm) than 1986 Renault 21. (138 Nm @ 3500 RPM). This means 1987 Alfa Romeo 164 will have an easier job in driving up hills or pulling heavy equipment than 1986 Renault 21.
Compare all specifications:
| 1987 Alfa Romeo 164 | 1986 Renault 21 | |
| Make | Alfa Romeo | Renault |
| Model | 164 | 21 |
| Year Released | 1987 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1719 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 87 HP |
| Engine RPM | 4200 RPM | 5500 RPM |
| Torque | 294 Nm | 138 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Engine Compression Ratio | 22.0:1 | 10.0:1 |
| Top Speed | 197 km/hour | 180 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1490 kg | 1030 kg |
| Vehicle Length | 4670 mm | 4650 mm |
| Vehicle Width | 1770 mm | 1720 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2670 mm | 2760 mm |
| Fuel Tank Capacity | 70 L | 34 L |
