2009 Audi A4 vs. 1951 Alfa Romeo 1900
To start off, 2009 Audi A4 is newer by 58 year(s). Which means there will be less support and parts availability for 1951 Alfa Romeo 1900. In addition, the cost of maintenance, including insurance, on 1951 Alfa Romeo 1900 would be higher. At 2,976 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (217 HP @ 6300 RPM) has 117 more horse power than 1951 Alfa Romeo 1900. (100 HP @ 5500 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1951 Alfa Romeo 1900. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 675 kg more than 1951 Alfa Romeo 1900. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1951 Alfa Romeo 1900. In wet, icy, snow, or gravel driving conditions, 2009 Audi A4 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, 2009 Audi A4 (300 Nm) has 160 more torque (in Nm) than 1951 Alfa Romeo 1900. (140 Nm). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1951 Alfa Romeo 1900.
Compare all specifications:
| 2009 Audi A4 | 1951 Alfa Romeo 1900 | |
| Make | Audi | Alfa Romeo |
| Model | A4 | 1900 |
| Year Released | 2009 | 1951 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 1883 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 217 HP | 100 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 300 Nm | 140 Nm |
| Engine Bore Size | 82.5 mm | 82.6 mm |
| Engine Stroke Size | 92.8 mm | 88 mm |
| Top Speed | 241 km/hour | 171 km/hour |
| Drive Type | 4WD | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1675 kg | 1000 kg |
| Vehicle Length | 4580 mm | 4410 mm |
| Vehicle Width | 1780 mm | 1640 mm |
| Vehicle Height | 1400 mm | 1360 mm |
| Wheelbase Size | 2660 mm | 2510 mm |
