2005 Alfa Romeo 156 vs. 1984 Renault 25
To start off, 2005 Alfa Romeo 156 is newer by 21 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 1,994 cc (4 cylinders), 1984 Renault 25 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (118 HP @ 6500 RPM) has 11 more horse power than 1984 Renault 25. (107 HP @ 5500 RPM). In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 1984 Renault 25. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 156 weights approximately 95 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 (160 Nm @ 3000 RPM) has 13 more torque (in Nm) than 2005 Alfa Romeo 156. (147 Nm @ 4500 RPM). This means 1984 Renault 25 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156.
Compare all specifications:
| 2005 Alfa Romeo 156 | 1984 Renault 25 | |
| Make | Alfa Romeo | Renault |
| Model | 156 | 25 |
| Year Released | 2005 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1994 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 118 HP | 107 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 147 Nm | 160 Nm |
| Torque RPM | 4500 RPM | 3000 RPM |
| Engine Bore Size | 82 mm | 88 mm |
| Engine Stroke Size | 75.7 mm | 82 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1250 kg | 1155 kg |
| Vehicle Length | 4450 mm | 4630 mm |
| Vehicle Width | 1750 mm | 1780 mm |
| Vehicle Height | 1440 mm | 1410 mm |
| Wheelbase Size | 2710 mm | 2730 mm |
| Fuel Consumption Overall | 8.6 L/100km | 7 L/100km |
| Fuel Tank Capacity | 63 L | 34 L |
