2005 Alfa Romeo 156 vs. 1985 Renault 18
To start off, 2005 Alfa Romeo 156 is newer by 20 year(s). Which means there will be less support and parts availability for 1985 Renault 18. In addition, the cost of maintenance, including insurance, on 1985 Renault 18 would be higher. At 1,995 cc (4 cylinders), 1985 Renault 18 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (173 HP @ 4000 RPM) has 69 more horse power than 1985 Renault 18. (104 HP @ 5500 RPM). In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 1985 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 156 weights approximately 115 kg more than 1985 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, 2005 Alfa Romeo 156 (187 Nm @ 3500 RPM) has 24 more torque (in Nm) than 1985 Renault 18. (163 Nm @ 3250 RPM). This means 2005 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1985 Renault 18.
Compare all specifications:
| 2005 Alfa Romeo 156 | 1985 Renault 18 | |
| Make | Alfa Romeo | Renault |
| Model | 156 | 18 |
| Year Released | 2005 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 173 HP | 104 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 187 Nm | 163 Nm |
| Torque RPM | 3500 RPM | 3250 RPM |
| Engine Compression Ratio | 10.0:1 | 9.2:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1250 kg | 1135 kg |
