2003 Alfa Romeo 156 vs. 1981 Renault 18
To start off, 2003 Alfa Romeo 156 is newer by 22 year(s). Which means there will be less support and parts availability for 1981 Renault 18. In addition, the cost of maintenance, including insurance, on 1981 Renault 18 would be higher. At 2,387 cc (6 cylinders), 2003 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 156 (189 HP @ 6300 RPM) has 109 more horse power than 1981 Renault 18. (80 HP @ 5000 RPM). In normal driving conditions, 2003 Alfa Romeo 156 should accelerate faster than 1981 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 156 weights approximately 409 kg more than 1981 Renault 18. 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, 2003 Alfa Romeo 156 (218 Nm @ 5000 RPM) has 81 more torque (in Nm) than 1981 Renault 18. (137 Nm @ 3000 RPM). This means 2003 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 18.
Compare all specifications:
| 2003 Alfa Romeo 156 | 1981 Renault 18 | |
| Make | Alfa Romeo | Renault |
| Model | 156 | 18 |
| Year Released | 2003 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 1647 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 189 HP | 80 HP |
| Engine RPM | 6300 RPM | 5000 RPM |
| Torque | 218 Nm | 137 Nm |
| Torque RPM | 5000 RPM | 3000 RPM |
| Engine Bore Size | 88 mm | 81 mm |
| Engine Stroke Size | 68.3 mm | 83.5 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1434 kg | 1025 kg |
| Vehicle Length | 4440 mm | 4470 mm |
| Vehicle Width | 1750 mm | 1710 mm |
| Vehicle Height | 1400 mm | 1410 mm |
