1951 Alfa Romeo 6C vs. 1975 Mazda Cosmo
To start off, 1975 Mazda Cosmo is newer by 24 year(s). Which means there will be less support and parts availability for 1951 Alfa Romeo 6C. In addition, the cost of maintenance, including insurance, on 1951 Alfa Romeo 6C would be higher. At 2,443 cc (6 cylinders), 1951 Alfa Romeo 6C is equipped with a bigger engine. In terms of performance, 1951 Alfa Romeo 6C (104 HP @ 4800 RPM) has 2 more horse power than 1975 Mazda Cosmo. (102 HP @ 5300 RPM). In normal driving conditions, 1951 Alfa Romeo 6C should accelerate faster than 1975 Mazda Cosmo. With that said, vehicle weight also plays an important factor in acceleration. 1951 Alfa Romeo 6C weights approximately 285 kg more than 1975 Mazda Cosmo. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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. 1975 Mazda Cosmo has automatic transmission and 1951 Alfa Romeo 6C has manual transmission. 1951 Alfa Romeo 6C will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1975 Mazda Cosmo will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1951 Alfa Romeo 6C | 1975 Mazda Cosmo | |
| Make | Alfa Romeo | Mazda |
| Model | 6C | Cosmo |
| Year Released | 1951 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 2443 cc | 1970 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 104 HP | 102 HP |
| Engine RPM | 4800 RPM | 5300 RPM |
| Engine Bore Size | 72 mm | 80 mm |
| Engine Stroke Size | 100 mm | 98 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1400 kg | 1115 kg |
| Vehicle Length | 4690 mm | 4480 mm |
| Vehicle Width | 1910 mm | 1690 mm |
| Vehicle Height | 1510 mm | 1340 mm |
| Wheelbase Size | 2710 mm | 2520 mm |
