1991 Alfa Romeo 33 vs. 1986 Renault 21
To start off, 1991 Alfa Romeo 33 is newer by 5 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 1,721 cc (4 cylinders), 1986 Renault 21 is equipped with a bigger engine. In terms of performance, 1991 Alfa Romeo 33 (87 HP @ 6000 RPM) has 12 more horse power than 1986 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 1991 Alfa Romeo 33 should accelerate faster than 1986 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1986 Renault 21 weights approximately 15 kg more than 1991 Alfa Romeo 33.
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, 1986 Renault 21 (129 Nm @ 3250 RPM) has 5 more torque (in Nm) than 1991 Alfa Romeo 33. (124 Nm @ 4000 RPM). This means 1986 Renault 21 will have an easier job in driving up hills or pulling heavy equipment than 1991 Alfa Romeo 33.
Compare all specifications:
| 1991 Alfa Romeo 33 | 1986 Renault 21 | |
| Make | Alfa Romeo | Renault |
| Model | 33 | 21 |
| Year Released | 1991 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1351 cc | 1721 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 87 HP | 75 HP |
| Engine RPM | 6000 RPM | 5000 RPM |
| Torque | 124 Nm | 129 Nm |
| Torque RPM | 4000 RPM | 3250 RPM |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 940 kg | 955 kg |
| Vehicle Length | 4080 mm | 4470 mm |
| Vehicle Width | 1620 mm | 1710 mm |
| Vehicle Height | 1360 mm | 1420 mm |
| Wheelbase Size | 2480 mm | 2670 mm |
