2003 Alfa Romeo 166 vs. 1984 Renault 25
To start off, 2003 Alfa Romeo 166 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 3,177 cc (6 cylinders), 2003 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 166 (247 HP @ 6200 RPM) has 103 more horse power than 1984 Renault 25. (144 HP @ 5500 RPM). In normal driving conditions, 2003 Alfa Romeo 166 should accelerate faster than 1984 Renault 25. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 166 weights approximately 250 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, 2003 Alfa Romeo 166 (289 Nm @ 4800 RPM) has 74 more torque (in Nm) than 1984 Renault 25. (215 Nm @ 3000 RPM). This means 2003 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 1984 Renault 25.
Compare all specifications:
| 2003 Alfa Romeo 166 | 1984 Renault 25 | |
| Make | Alfa Romeo | Renault |
| Model | 166 | 25 |
| Year Released | 2003 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 3177 cc | 2664 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 247 HP | 144 HP |
| Engine RPM | 6200 RPM | 5500 RPM |
| Torque | 289 Nm | 215 Nm |
| Torque RPM | 4800 RPM | 3000 RPM |
| Engine Bore Size | 93 mm | 88 mm |
| Engine Stroke Size | 78 mm | 73 mm |
| Engine Compression Ratio | 10.5:1 | 9.2:1 |
| Top Speed | 245 km/hour | 198 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 10.2 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 | 1540 kg | 1290 kg |
| Vehicle Length | 4730 mm | 4650 mm |
| Vehicle Width | 1810 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1410 mm |
| Wheelbase Size | 2550 mm | 2730 mm |
