1953 Alfa Romeo AR 51 vs. 2007 Audi A8
To start off, 2007 Audi A8 is newer by 54 year(s). Which means there will be less support and parts availability for 1953 Alfa Romeo AR 51. In addition, the cost of maintenance, including insurance, on 1953 Alfa Romeo AR 51 would be higher. At 5,202 cc (10 cylinders), 2007 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (444 HP @ 7000 RPM) has 381 more horse power than 1953 Alfa Romeo AR 51. (63 HP @ 4400 RPM) In normal driving conditions, 2007 Audi A8 should accelerate faster than 1953 Alfa Romeo AR 51. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A8 weights approximately 690 kg more than 1953 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. 2007 Audi A8 has automatic transmission and 1953 Alfa Romeo AR 51 has manual transmission. 1953 Alfa Romeo AR 51 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1953 Alfa Romeo AR 51 | 2007 Audi A8 | |
| Make | Alfa Romeo | Audi |
| Model | AR 51 | A8 |
| Year Released | 1953 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1884 cc | 5202 cc |
| Engine Cylinders | 4 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 63 HP | 444 HP |
| Engine RPM | 4400 RPM | 7000 RPM |
| Engine Bore Size | 82.6 mm | 84.5 mm |
| Engine Stroke Size | 88 mm | 92.8 mm |
| Engine Compression Ratio | 7.0:1 | 12.5:1 |
| Top Speed | 105 km/hour | 250 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 | 1940 kg |
| Vehicle Length | 3530 mm | 5070 mm |
| Vehicle Width | 1580 mm | 1900 mm |
| Vehicle Height | 1830 mm | 1430 mm |
| Wheelbase Size | 2210 mm | 2950 mm |
