1985 Alfa Romeo 33 vs. 1978 Renault 18
To start off, 1985 Alfa Romeo 33 is newer by 7 year(s). Which means there will be less support and parts availability for 1978 Renault 18. In addition, the cost of maintenance, including insurance, on 1978 Renault 18 would be higher. At 1,489 cc (4 cylinders), 1985 Alfa Romeo 33 is equipped with a bigger engine. In terms of performance, 1985 Alfa Romeo 33 (106 HP @ 6000 RPM) has 43 more horse power than 1978 Renault 18. (63 HP @ 5500 RPM). In normal driving conditions, 1985 Alfa Romeo 33 should accelerate faster than 1978 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 1978 Renault 18 weights approximately 85 kg more than 1985 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, 1985 Alfa Romeo 33 (135 Nm @ 4000 RPM) has 32 more torque (in Nm) than 1978 Renault 18. (103 Nm @ 3000 RPM). This means 1985 Alfa Romeo 33 will have an easier job in driving up hills or pulling heavy equipment than 1978 Renault 18.
Compare all specifications:
| 1985 Alfa Romeo 33 | 1978 Renault 18 | |
| Make | Alfa Romeo | Renault |
| Model | 33 | 18 |
| Year Released | 1985 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 1489 cc | 1397 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Horse Power | 106 HP | 63 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 135 Nm | 103 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 84 mm | 76.1 mm |
| Engine Stroke Size | 67.2 mm | 77 mm |
| Engine Compression Ratio | 9.4:1 | 9.2:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 900 kg | 985 kg |
| Vehicle Length | 4020 mm | 4410 mm |
| Vehicle Width | 1620 mm | 1710 mm |
| Vehicle Height | 1310 mm | 1410 mm |
| Wheelbase Size | 2460 mm | 2450 mm |
