1954 Alfa Romeo AR 51 vs. 2006 Mercedes-Benz CLS
To start off, 2006 Mercedes-Benz CLS is newer by 52 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 3,495 cc (6 cylinders), 2006 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz CLS (268 HP @ 6000 RPM) has 205 more horse power than 1954 Alfa Romeo AR 51. (63 HP @ 4400 RPM) In normal driving conditions, 2006 Mercedes-Benz CLS should accelerate faster than 1954 Alfa Romeo AR 51. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz CLS weights approximately 480 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 2006 Mercedes-Benz CLS. 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. 2006 Mercedes-Benz CLS 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. 2006 Mercedes-Benz CLS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1954 Alfa Romeo AR 51 | 2006 Mercedes-Benz CLS | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | AR 51 | CLS |
| Year Released | 1954 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1884 cc | 3495 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 63 HP | 268 HP |
| Engine RPM | 4400 RPM | 6000 RPM |
| Engine Bore Size | 82.6 mm | 92.9 mm |
| Engine Stroke Size | 88 mm | 86 mm |
| Engine Compression Ratio | 7.0:1 | 10.7:1 |
| Top Speed | 105 km/hour | 250 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1250 kg | 1730 kg |
| Vehicle Length | 3530 mm | 4920 mm |
| Vehicle Width | 1580 mm | 1860 mm |
| Vehicle Height | 1830 mm | 1410 mm |
| Wheelbase Size | 2210 mm | 2720 mm |
