2003 Alfa Romeo 156 vs. 1984 Renault 25
To start off, 2003 Alfa Romeo 156 is newer by 19 year(s). Which means there will be less support and parts availability for 1984 Renault 25. In addition, the cost of maintenance, including insurance, on 1984 Renault 25 would be higher. At 2,068 cc (4 cylinders), 1984 Renault 25 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 156 (138 HP @ 6500 RPM) has 49 more horse power than 1984 Renault 25. (89 HP @ 4250 RPM). In normal driving conditions, 2003 Alfa Romeo 156 should accelerate faster than 1984 Renault 25. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 156 weights approximately 29 kg more than 1984 Renault 25. 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, 1984 Renault 25 (177 Nm @ 2000 RPM) has 14 more torque (in Nm) than 2003 Alfa Romeo 156. (163 Nm @ 3900 RPM). This means 1984 Renault 25 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 156.
Compare all specifications:
| 2003 Alfa Romeo 156 | 1984 Renault 25 | |
| Make | Alfa Romeo | Renault |
| Model | 156 | 25 |
| Year Released | 2003 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 1746 cc | 2068 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 138 HP | 89 HP |
| Engine RPM | 6500 RPM | 4250 RPM |
| Torque | 163 Nm | 177 Nm |
| Torque RPM | 3900 RPM | 2000 RPM |
| Engine Bore Size | 82 mm | 86 mm |
| Engine Stroke Size | 82.7 mm | 89 mm |
| Engine Compression Ratio | 10.3:1 | 21.5:1 |
| Top Speed | 208 km/hour | 172 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 13.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1265 kg | 1236 kg |
| Vehicle Length | 4440 mm | 4630 mm |
| Vehicle Width | 1750 mm | 1780 mm |
| Vehicle Height | 1440 mm | 1410 mm |
| Wheelbase Size | 2710 mm | 2730 mm |
| Fuel Tank Capacity | 63 L | 38 L |
