2003 Alfa Romeo 156 vs. 1975 Renault 15
To start off, 2003 Alfa Romeo 156 is newer by 28 year(s). Which means there will be less support and parts availability for 1975 Renault 15. In addition, the cost of maintenance, including insurance, on 1975 Renault 15 would be higher. At 2,492 cc (5 cylinders), 2003 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 156 (172 HP @ 4000 RPM) has 113 more horse power than 1975 Renault 15. (59 HP @ 5500 RPM). In normal driving conditions, 2003 Alfa Romeo 156 should accelerate faster than 1975 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 156 weights approximately 420 kg more than 1975 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, 2003 Alfa Romeo 156 (385 Nm @ 2000 RPM) has 286 more torque (in Nm) than 1975 Renault 15. (99 Nm @ 3500 RPM). This means 2003 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1975 Renault 15.
Compare all specifications:
| 2003 Alfa Romeo 156 | 1975 Renault 15 | |
| Make | Alfa Romeo | Renault |
| Model | 156 | 15 |
| Year Released | 2003 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1289 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 172 HP | 59 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 385 Nm | 99 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1385 kg | 965 kg |
| Vehicle Length | 4440 mm | 4270 mm |
| Vehicle Width | 1750 mm | 1640 mm |
| Vehicle Height | 1440 mm | 1320 mm |
| Wheelbase Size | 2600 mm | 2440 mm |
| Fuel Tank Capacity | 63 L | 55 L |
