1952 Alfa Romeo AR 51 vs. 2004 Audi A4
To start off, 2004 Audi A4 is newer by 52 year(s). Which means there will be less support and parts availability for 1952 Alfa Romeo AR 51. In addition, the cost of maintenance, including insurance, on 1952 Alfa Romeo AR 51 would be higher. At 2,967 cc (6 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (201 HP @ 3500 RPM) has 138 more horse power than 1952 Alfa Romeo AR 51. (63 HP @ 4400 RPM) In normal driving conditions, 2004 Audi A4 should accelerate faster than 1952 Alfa Romeo AR 51. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 480 kg more than 1952 Alfa Romeo AR 51. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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. 2004 Audi A4 has automatic transmission and 1952 Alfa Romeo AR 51 has manual transmission. 1952 Alfa Romeo AR 51 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1952 Alfa Romeo AR 51 | 2004 Audi A4 | |
| Make | Alfa Romeo | Audi |
| Model | AR 51 | A4 |
| Year Released | 1952 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1884 cc | 2967 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 63 HP | 201 HP |
| Engine RPM | 4400 RPM | 3500 RPM |
| Engine Bore Size | 82.6 mm | 83 mm |
| Engine Stroke Size | 88 mm | 91.4 mm |
| Top Speed | 105 km/hour | 233 km/hour |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1250 kg | 1730 kg |
| Vehicle Length | 3530 mm | 4590 mm |
| Vehicle Width | 1580 mm | 1780 mm |
| Vehicle Height | 1830 mm | 1430 mm |
| Wheelbase Size | 2210 mm | 2470 mm |
| Fuel Tank Capacity | 77 L | 63 L |
