1954 Alfa Romeo 6C vs. 1996 Opel Calibra
To start off, 1996 Opel Calibra is newer by 42 year(s). Which means there will be less support and parts availability for 1954 Alfa Romeo 6C. In addition, the cost of maintenance, including insurance, on 1954 Alfa Romeo 6C would be higher. At 3,494 cc (6 cylinders), 1954 Alfa Romeo 6C is equipped with a bigger engine. In terms of performance, 1954 Alfa Romeo 6C (271 HP @ 6500 RPM) has 156 more horse power than 1996 Opel Calibra. (115 HP @ 5200 RPM). In normal driving conditions, 1954 Alfa Romeo 6C should accelerate faster than 1996 Opel Calibra. With that said, vehicle weight also plays an important factor in acceleration. 1996 Opel Calibra weights approximately 240 kg more than 1954 Alfa Romeo 6C.
Compare all specifications:
| 1954 Alfa Romeo 6C | 1996 Opel Calibra | |
| Make | Alfa Romeo | Opel |
| Model | 6C | Calibra |
| Year Released | 1954 | 1996 |
| Engine Position | Front | Front |
| Engine Size | 3494 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 271 HP | 115 HP |
| Engine RPM | 6500 RPM | 5200 RPM |
| Engine Bore Size | 87 mm | 86.1 mm |
| Engine Stroke Size | 98 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 950 kg | 1190 kg |
| Vehicle Length | 3530 mm | 4500 mm |
| Vehicle Height | 1330 mm | 1610 mm |
| Wheelbase Size | 2250 mm | 2610 mm |
