2005 Alfa Romeo 156 vs. 1974 Renault 15
To start off, 2005 Alfa Romeo 156 is newer by 31 year(s). Which means there will be less support and parts availability for 1974 Renault 15. In addition, the cost of maintenance, including insurance, on 1974 Renault 15 would be higher. At 2,492 cc (6 cylinders), 2005 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (185 HP @ 5000 RPM) has 126 more horse power than 1974 Renault 15. (59 HP @ 5500 RPM). In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 1974 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 156 weights approximately 525 kg more than 1974 Renault 15. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Alfa Romeo 156 (222 Nm @ 5000 RPM) has 124 more torque (in Nm) than 1974 Renault 15. (98 Nm @ 3500 RPM). This means 2005 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1974 Renault 15.
Compare all specifications:
| 2005 Alfa Romeo 156 | 1974 Renault 15 | |
| Make | Alfa Romeo | Renault |
| Model | 156 | 15 |
| Year Released | 2005 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1287 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 185 HP | 59 HP |
| Engine RPM | 5000 RPM | 5500 RPM |
| Torque | 222 Nm | 98 Nm |
| Torque RPM | 5000 RPM | 3500 RPM |
| Engine Bore Size | 88 mm | 75 mm |
| Engine Stroke Size | 68.3 mm | 69 mm |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1490 kg | 965 kg |
| Vehicle Length | 4450 mm | 4270 mm |
| Vehicle Width | 1750 mm | 1640 mm |
| Vehicle Height | 1440 mm | 1310 mm |
| Wheelbase Size | 2710 mm | 2440 mm |
| Fuel Tank Capacity | 72 L | 55 L |
