2007 Audi A4 vs. 1951 Citroen 15
To start off, 2007 Audi A4 is newer by 56 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 3,123 cc (6 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (255 HP @ 6500 RPM) has 179 more horse power than 1951 Citroen 15. (76 HP @ 3800 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 1951 Citroen 15. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 554 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.
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, 2007 Audi A4 (330 Nm) has 143 more torque (in Nm) than 1951 Citroen 15. (187 Nm). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1951 Citroen 15.
Compare all specifications:
| 2007 Audi A4 | 1951 Citroen 15 | |
| Make | Audi | Citroen |
| Model | A4 | 15 |
| Year Released | 2007 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 2867 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 255 HP | 76 HP |
| Engine RPM | 6500 RPM | 3800 RPM |
| Torque | 330 Nm | 187 Nm |
| Engine Bore Size | 84 mm | 78 mm |
| Engine Stroke Size | 96 mm | 100 mm |
| Engine Compression Ratio | 11.3:1 | 6.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Vehicle Weight | 1880 kg | 1326 kg |
| Vehicle Length | 4590 mm | 4770 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1570 mm |
| Wheelbase Size | 2660 mm | 3100 mm |
