1954 Alfa Romeo AR 51 vs. 2009 Audi A4
To start off, 2009 Audi A4 is newer by 55 year(s). Which means there will be less support and parts availability for 1954 Alfa Romeo AR 51. In addition, the cost of maintenance, including insurance, on 1954 Alfa Romeo AR 51 would be higher. At 1,984 cc (4 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (211 HP @ 4300 RPM) has 148 more horse power than 1954 Alfa Romeo AR 51. (63 HP @ 4400 RPM) In normal driving conditions, 2009 Audi A4 should accelerate faster than 1954 Alfa Romeo AR 51. With that said, vehicle weight also plays an important factor in acceleration. 1954 Alfa Romeo AR 51 weights approximately 320 kg more than 2009 Audi A4.
Because 1954 Alfa Romeo AR 51 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A4. In wet, icy, snow, or gravel driving conditions, 1954 Alfa Romeo AR 51 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.
Compare all specifications:
| 1954 Alfa Romeo AR 51 | 2009 Audi A4 | |
| Make | Alfa Romeo | Audi |
| Model | AR 51 | A4 |
| Year Released | 1954 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1884 cc | 1984 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 63 HP | 211 HP |
| Engine RPM | 4400 RPM | 4300 RPM |
| Engine Bore Size | 82.6 mm | 82.5 mm |
| Engine Stroke Size | 88 mm | 92.8 mm |
| Drive Type | 4WD | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1250 kg | 930 kg |
| Vehicle Length | 3530 mm | 4710 mm |
| Vehicle Width | 1580 mm | 1840 mm |
| Vehicle Height | 1830 mm | 1430 mm |
| Wheelbase Size | 2210 mm | 2820 mm |
