1954 Alfa Romeo AR 51 vs. 1966 Aston Martin DB4
To start off, 1966 Aston Martin DB4 is newer by 12 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 3,670 cc (6 cylinders), 1966 Aston Martin DB4 is equipped with a bigger engine. In terms of performance, 1966 Aston Martin DB4 (256 HP @ 5500 RPM) has 193 more horse power than 1954 Alfa Romeo AR 51. (63 HP @ 4400 RPM) In normal driving conditions, 1966 Aston Martin DB4 should accelerate faster than 1954 Alfa Romeo AR 51. With that said, vehicle weight also plays an important factor in acceleration. 1966 Aston Martin DB4 weights approximately 100 kg more than 1954 Alfa Romeo AR 51. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1954 Alfa Romeo AR 51 is four wheel drive (4WD), it will have significant more traction and grip than 1966 Aston Martin DB4. 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 | 1966 Aston Martin DB4 | |
| Make | Alfa Romeo | Aston Martin |
| Model | AR 51 | DB4 |
| Year Released | 1954 | 1966 |
| Engine Position | Front | Front |
| Engine Size | 1884 cc | 3670 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 63 HP | 256 HP |
| Engine RPM | 4400 RPM | 5500 RPM |
| Engine Compression Ratio | 7.0:1 | 9.4:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1250 kg | 1350 kg |
| Vehicle Length | 3530 mm | 4630 mm |
| Vehicle Width | 1580 mm | 1680 mm |
| Vehicle Height | 1830 mm | 1330 mm |
| Wheelbase Size | 2210 mm | 2500 mm |
