2004 Alfa Romeo 156 vs. 1951 Citroen 15
To start off, 2004 Alfa Romeo 156 is newer by 53 year(s). Which means there will be less support and parts availability for 1951 Citroen 15. In addition, the cost of maintenance, including insurance, on 1951 Citroen 15 would be higher. At 2,867 cc (6 cylinders), 1951 Citroen 15 is equipped with a bigger engine. In terms of performance, 2004 Alfa Romeo 156 (148 HP @ 4000 RPM) has 72 more horse power than 1951 Citroen 15. (76 HP @ 3800 RPM). In normal driving conditions, 2004 Alfa Romeo 156 should accelerate faster than 1951 Citroen 15. With that said, vehicle weight also plays an important factor in acceleration. 2004 Alfa Romeo 156 weights approximately 199 kg more than 1951 Citroen 15. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Alfa Romeo 156 is four wheel drive (4WD), it will have significant more traction and grip than 1951 Citroen 15. In wet, icy, snow, or gravel driving conditions, 2004 Alfa Romeo 156 will offer significantly more control. 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, 2004 Alfa Romeo 156 (300 Nm) has 113 more torque (in Nm) than 1951 Citroen 15. (187 Nm). This means 2004 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1951 Citroen 15.
Compare all specifications:
| 2004 Alfa Romeo 156 | 1951 Citroen 15 | |
| Make | Alfa Romeo | Citroen |
| Model | 156 | 15 |
| Year Released | 2004 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 2867 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 148 HP | 76 HP |
| Engine RPM | 4000 RPM | 3800 RPM |
| Torque | 300 Nm | 187 Nm |
| Engine Bore Size | 82 mm | 78 mm |
| Engine Stroke Size | 90.4 mm | 100 mm |
| Engine Compression Ratio | 18.5:1 | 6.2:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1525 kg | 1326 kg |
| Vehicle Width | 1750 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1570 mm |
| Wheelbase Size | 2600 mm | 3100 mm |
