1954 Alfa Romeo AR 51 vs. 1986 Mercedes-Benz S
To start off, 1986 Mercedes-Benz S is newer by 32 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 4,196 cc (8 cylinders), 1986 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 1986 Mercedes-Benz S (215 HP @ 5200 RPM) has 152 more horse power than 1954 Alfa Romeo AR 51. (63 HP @ 4400 RPM) In normal driving conditions, 1986 Mercedes-Benz S should accelerate faster than 1954 Alfa Romeo AR 51. With that said, vehicle weight also plays an important factor in acceleration. 1986 Mercedes-Benz S weights approximately 305 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 1986 Mercedes-Benz S. 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. 1986 Mercedes-Benz S has automatic transmission and 1954 Alfa Romeo AR 51 has manual transmission. 1954 Alfa Romeo AR 51 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1986 Mercedes-Benz S will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1954 Alfa Romeo AR 51 | 1986 Mercedes-Benz S | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | AR 51 | S |
| Year Released | 1954 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1884 cc | 4196 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 63 HP | 215 HP |
| Engine RPM | 4400 RPM | 5200 RPM |
| Engine Compression Ratio | 7.0:1 | 9.0:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1250 kg | 1555 kg |
| Vehicle Length | 3530 mm | 5030 mm |
| Vehicle Width | 1580 mm | 1830 mm |
| Vehicle Height | 1830 mm | 1440 mm |
| Wheelbase Size | 2210 mm | 2950 mm |
